C windows syswow64 dllhost exe

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Сообщение об ошибке на экране вашего компьютера никогда не бывает забавным, особенно если вы не знаете, о чем идет речь. Загадочная ошибка приложения dllhost.exe является показательным примером: средний пользователь Windows 10 понятия не имеет, что такое dllhost.exe, и когда проблема возникает, паника обычно является первой реакцией. Если это ваш случай, вам повезло, что вы нашли эту страницу. В этой статье вы найдете подробные инструкции, как исправить ошибку приложения dllhost.exe в Windows 10. Так что не о чем беспокоиться — вы можете исправить ситуацию буквально в мгновение ока!

Очевидно, вы пришли сюда, чтобы спросить: «Почему я получаю ошибку приложения dllhost.exe в Windows 10?» Чтобы ответить на этот вопрос, потребуется немного детективной работы (поскольку по делу есть несколько подозреваемых), но сначала давайте разберемся, что такое dllhost.exe.

Файл dllhost.exe — важный компонент операционной системы Windows. Также известный как COM Surrogate, dllhost.exe работает в фоновом режиме и обрабатывает изображения, видео и другие файлы на вашем компьютере для создания миниатюрных изображений — вы видите их во время навигации по файлам и папкам. При сбое COM Surrogate вы увидите всплывающие окна с сообщением: «COM Surrogate перестала работать».

Почему возникает ошибка приложения Dllhost.exe?

Вы можете спросить: «Как исправить ошибку приложения dllhost.exe вручную?» Хорошая новость в том, что для этого не нужно быть специалистом по ПК. Для начала давайте посмотрим, что может быть за проблемой, с которой вы столкнулись.

Вот список возможных причин, по которым ваш dllhost.exe не работает:

  • Неустановленные обновления
  • Поврежденные или отсутствующие системные файлы
  • Проблемы с реестром Windows
  • Вредоносное ПО
  • Плохие водители
  • Неправильные системные настройки
  • Проблемы с жестким диском
  • Устаревшие кодеки

Ниже вы найдете проверенные и простые советы по решению каждой из упомянутых выше проблем. Начните с первого исправления и продвигайтесь вниз, пока не наткнетесь на лучшее решение в своем сценарии.

Создать резервную копию

Перед тем, как начать эпопею по устранению неполадок, обязательно сделайте резервную копию своих данных. Это важно, потому что постоянные ошибки часто приводят к исчезновению файлов и папок, особенно если возникают системные проблемы. Хотя приведенные ниже решения безопасны и эффективны, события могут принять неожиданный оборот. Помня об этом, мы рекомендуем обезопасить свои важные вещи от безвозвратной потери. Вот некоторые из методов, которые вы можете использовать для защиты своих данных:

  • Облачное хранилище

Облачные диски предлагают удобный способ консолидировать файлы в облаке и синхронизировать их между вашими устройствами. В 2019 году вы получите драгоценные гигабайты бесплатного хранилища с помощью самых популярных решений, таких как Google Drive, OneDrive и т. Д.

  • Устройства хранения данных

Внешние жесткие диски, флэш-накопители и карты памяти — вот то, что вы можете использовать, чтобы обрести душевное спокойствие. Перенесите важные файлы на портативное устройство и сохраните его.

Теперь, когда вы сделали резервную копию своих вещей, пришло время решить проблему dllhost.exe.

Как исправить ошибку приложения Dllhost.exe в Windows 10?

  • Обновите вашу операционную систему

Ошибка приложения dllhost.exe часто возникает из-за критических обновлений системы, ожидающих установки. Таким образом, первое, что вы должны сделать при обнаружении рассматриваемой проблемы, — это проверить центр обновления Windows:

  1. Запустите меню «Пуск».
  2. Найдите и щелкните значок в виде шестеренки, чтобы запустить приложение «Настройки».
  3. Щелкните Обновление и безопасность.
  4. Посмотрите, доступны ли какие-либо обновления. Согласитесь установить их, если будет предложено.
  5. Если вы не видите никаких обновлений в очереди, нажмите Проверить наличие обновлений.
  6. Установите обновления, найденные вашей ОС.

Перезагрузите компьютер и посмотрите, исправлена ​​ли ошибка.

  • Восстановите системные файлы

Повреждение системных файлов — одна из наиболее частых причин возникновения проблемы с dllhost.exe. Чтобы исправить ситуацию, вам следует запустить средство проверки системных файлов, которое представляет собой удобную встроенную утилиту Windows, предназначенную для замены неисправных или отсутствующих системных файлов при загрузке:

  1. Перейдите на панель задач и щелкните правой кнопкой мыши значок с логотипом Windows.
  2. В меню «Опытный пользователь» выберите «Командная строка (администратор)».
  3. В окне командной строки с повышенными привилегиями введите sfc / scannow.
  4. Нажмите Enter, чтобы запустить команду.
  5. Дождитесь завершения сканирования и выйдите из командной строки.

Не забудьте перезагрузить компьютер, чтобы программа проверки системных файлов могла исправить ваши системные файлы при запуске. Это должно запустить ваш dllhost.exe.

  • Восстановите реестр Windows

Поскольку ваш системный реестр является чрезвычайно чувствительным компонентом, очень важно быть максимально осторожным. При редактировании нет места для ошибки: крошечная ошибка может повредить вашу систему и не подлежит ремонту. В свете этого мы не рекомендуем настраивать реестр вручную — вам лучше использовать надежный инструмент для автоматизации процесса. Например, Auslogics Registry Cleaner — это бесплатная утилита, способная устранить повреждение реестра, удалить недействительные или потерянные записи и повысить общую производительность вашего компьютера.

  • Сканируйте свое устройство на наличие вредоносных программ

Будучи совершенно законным компонентом Windows 10, dllhost.exe легко может стать угрозой: он довольно уязвим, и поэтому часто используется вирусами, чтобы нанести ущерб вашему компьютеру. Постоянные всплывающие окна dllhost.exe могут быть признаком заражения вредоносным ПО, нарушающего работу вашей системы, поэтому не стесняйтесь выполнить тщательную проверку.

Вы можете положиться на саму Windows для выполнения антивирусной проверки. Ваша система поставляется с пакетом безопасности, который называется Защитник Windows, и он вполне подходит для обнаружения вредоносных угроз. Вот как вы можете использовать эту вещь:

  1. Откройте меню настроек (вы можете получить доступ к нему, нажав ярлык Windows + I).
  2. Щелкните Обновление и безопасность.
  3. Выберите в меню Защитник Windows.
  4. Найдите и щелкните Открыть Защитник Windows.
  5. Перейдите в меню на левой панели.
  6. Щелкните значок щита.
  7. Выберите расширенное сканирование.
  8. Выберите опцию Полная проверка.

По правде говоря, запуска сканирования Защитника Windows может быть недостаточно. Скорее всего, вам может помочь только мощный передовой инструмент, который может работать вместе с Защитником Windows (или вашим сторонним антивирусным решением). Auslogics Anti-Malware соответствует заявленным требованиям. Кроме того, его база данных постоянно обновляется, поэтому инструмент может распознавать и устранять даже самые свежие угрозы из мира вредоносных программ.

  • Исправьте драйвер адаптера дисплея

Устаревший драйвер — это ждущая катастрофа. Если вы долгое время не обновляли драйверы, высока вероятность того, что у вашего драйвера видеоадаптера давно истек срок годности, что вызывает неудобства, связанные с dllhost.exe. В таком сценарии может возникнуть больше проблем, поэтому лучше всего обновить драйвер без дальнейших задержек.

Для этого вы можете использовать специальный сторонний инструмент. Например, Auslogics Driver Updater установит последние рекомендованные производителем драйверы для всех ваших устройств одним щелчком мыши.

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Кроме того, вы можете обновить драйвер адаптера дисплея вручную. Посетите веб-сайт компании, выпустившей ваш видеоадаптер. Найдите именно тот драйвер, который нужен вашей системе для правильной работы. Помните, что вы должны быть очень осторожны: загрузка и установка неправильного программного обеспечения может еще больше усложнить ситуацию.

Вы также можете попробовать решение для диспетчера устройств. Этот метод подразумевает запуск встроенной утилиты Диспетчера устройств для поиска необходимого драйвера в сети:

  1. В меню опытного пользователя (логотип Windows + X) выберите Диспетчер устройств.
  2. Найдите свой видеоадаптер в списке.
  3. Щелкните его правой кнопкой мыши. Выберите Обновить драйвер.
  4. Обязательно выберите вариант, предлагающий поиск вашего драйвера в Интернете.
  5. Перезагрузите компьютер, чтобы новый драйвер успокоился и начал работать.

С другой стороны, возможно, вы используете новейшую версию драйвера видеоадаптера. Если оно было обновлено непосредственно перед тем, как возникла проблема с dllhost.exe, новое программное обеспечение могло быть несовместимо с вашей системой. В таком случае вам следует вернуться к предыдущей версии драйвера:

  1. Используйте приведенные выше инструкции для доступа к диспетчеру устройств.
  2. Щелкните правой кнопкой мыши адаптер дисплея и выберите параметр «Свойства».
  3. Перейдите на вкладку Драйвер и нажмите кнопку Откатить драйвер.
  4. Следуйте инструкциям на экране, чтобы начать процесс.

Наконец, не забудьте перезагрузить компьютер. Вашей проблемы с dllhost.exe больше не должно быть.

  • Настройте параметры производительности

Есть простой способ исправить ваш dllhost.exe. Вот шаги, которые необходимо предпринять:

  1. Откройте меню «Пуск» и щелкните плитку «Панель управления».
  2. Щелкните Система и безопасность. Выберите Система.
  3. В меню левой панели выберите Дополнительные параметры системы.
  4. В окне «Свойства системы» перейдите к «Дополнительно».
  5. В разделе «Производительность» нажмите кнопку «Настройки».
  6. Откройте вкладку Предотвращение выполнения данных.
  7. Отметьте второй вариант: «Включить DEP для всех программ и служб, кроме выбранных мной».
  8. Щелкните Добавить.
  9. Если на вашем компьютере установлена ​​32-разрядная версия операционной системы Windows, перейдите в папку C: \ Windows \ System32 \ dllhost.exe. Если ваша ОС — 64-разрядная (x64) Windows 10, перейдите в папку C: \ Windows \ SysWOW64 \ dllhost.exe.
  10. Выберите dllhost.exe и добавьте его в список исключений.
  11. Нажмите Применить и ОК, чтобы сохранить изменения.

Мы надеемся, что этот метод оказался полезным. Если вы хотите сделать еще один шаг и поднять производительность вашей системы, попробуйте Auslogics BoostSpeed.

  • Проверьте свой жесткий диск на наличие ошибок

Если ошибка dllhost.exe появляется при попытке открыть файлы и папки на определенном диске, вам следует просканировать этот диск на наличие проблем:

  1. Щелкните «Этот компьютер», найдите диск и щелкните его правой кнопкой мыши.
  2. Выберите в меню Свойства.
  3. Перейдите на вкладку Инструменты. Выберите Проверить сейчас в разделе Проверка ошибок.

Следуйте инструкциям по запуску сканирования и дождитесь его завершения.

  • Обновите кодеки Windows

Другой способ восстановить файл dllhost.exe — обновить кодеки. Это довольно просто: перейдите в центр загрузки Microsoft, загрузите последний установочный пакет кодеков и запустите его на своем ПК.

Надеемся, эта статья оказалась полезной.

Знаете ли вы какие-либо другие методы, как исправить ошибку приложения dllhost.exe?

Поделитесь ими в комментариях ниже!

Источник

So what exactly is dllhost.exe?

It stands for Dynamic Link Library Hosting Process, and it essentially helps other programs on your computer communicate with each other by loading the required dynamic link libraries (DLLs).

DLLs are basically small pieces of code that allow different programs to share resources and information between them – sort of like how different parts of your body all work together to keep you alive and functioning properly!Without dllhost.exe working correctly, many essential programs on your computer would simply cease to function properly or at all – which obviously isn’t ideal!

That’s why it’s so important that if something goes wrong with this process, you take steps to fix it as soon as possible.

Table of Contents:

  • What Is exe in Syswow64 Folder?
  • How Does It Work?
  • Why Is It Important?
  • How Can I Fix It If Something Goes Wrong?
  • Is There Anything Else I Need to Know About exe in Syswow64 Folder?
  • FAQs in Relation to exe in SysWOW64 Folder
    • Can I delete Dllhost?
    • What is Dllhost exe?
  • Conclusion

DLLHOST. Exe is a process that runs Microsoft COM+ applications.

COM+ is a COM-based technology that enables the construction of enterprise-level applications. DLLHOST.

Exe is required for COM+ applications to function properly. DLLHOST.exe is located in the C:\Windows\System32 folder.

If DLLHOST.exe is located in a subfolder of C:\Windows, the security rating is 64% dangerous. The file size is 196,608 bytes (25% of all occurrences), 164,864 bytes and 10 more variants.

The file is not a Windows core file. The program has a visible window.

The process can be uninstalled in the Control Panel. DLLHOST.exe is able to record keyboard and mouse inputs and monitor applications.

Therefore the technical security rating is 67% dangerous. A dllhost.exe file is a process that runs Microsoft COM+ applications.

COM+ is a COM-based technology that enables the construction of enterprise-level applications. DLLHOST.exe is required for COM+ applications to function properly.

DLLHOST.exe is located in the C:\Windows\System32 folder. If DLLHOST.exe is located in a subfolder of C:\Windows, the security rating is 64% dangerous.

The file size is 196,608 bytes (25% of all occurrences), 164,864 bytes and 10 more variants. The file is not a Windows core file.

The program has a visible window. The process can be uninstalled in the Control Panel.

DLLHOST. Exe is able to record keyboard and mouse inputs and monitor applications.

Therefore the technical security rating is 67% dangerous.

Key Takeaway: DLLHOST.exe is a process that runs Microsoft COM+ applications. COM+ is a COM-based technology that enables the construction of enterprise-level applications. DLLHOST.exe is required for COM+ applications to function properly.

How Does It Work?

Exe is a process that is responsible for handling COM+ based components.

It is a legitimate process that is required for some programs to work properly. However, dllhost.

Exe can also be used by malicious programs to hide their tracks. If you see a dllhost.

Exe process running in your Task Manager, and you don’t know what program it belongs to, you should take a closer look at it.

Why Is It Important?

DLL files are an important part of the Windows operating system. They allow programs to share code and data, which can make them more efficient and improve performance.

However, DLLs can also be a source of security vulnerabilities. DLL hijacking is a type of attack that can exploit vulnerabilities in DLLs to execute malicious code on a victim’s machine.

In many cases, the attacker can gain full control of the victim’s machine. DLL hijacking attacks are often difficult to detect and can be used to stealthily infect a machine with malware.

That’s why it’s important to be aware of the dangers of DLL files and take steps to protect your computer. One way to protect yourself from DLL hijacking attacks is to keep your software up to date.

Windows and other software vendors regularly release security updates that address vulnerabilities in their products. It’s also a good idea to run security software that can detect and block attacks.

And, if you’re a developer, you should follow best practices when creating and distributing DLL files. By taking these steps, you can help protect your computer from DLL hijacking attacks and other security threats.

Key Takeaway: DLL hijacking is a type of attack that can exploit vulnerabilities in DLLs to execute malicious code on a victim’s machine.

How Can I Fix It If Something Goes Wrong?

Exe is a system process that is responsible for running COM+ applications.

It is an important process, and if it is terminated unexpectedly, it can lead to problems with your computer. If you are having problems with dllhost.

Exe, there are a few things you can try to fix it. First, you can try restarting your computer.

This process can sometimes be stopped and restarted without causing any problems. If this does not work, you can try ending the process in the Task Manager. To do this, press Ctrl+Alt+Delete and then click on the Task Manager.

In the Processes tab, find dllhost.exe and click on End Process. If this does not work, you can try deleting the dllhost.exe file from your computer.

To do this, you will need to be logged in as an administrator. Then, go to the C:\Windows\System32 folder and delete the dllhost.exe file.

You should then be able to restart your computer and the file should be gone. If you are still having problems, you can try a program called DLL Fixer.

This program will scan your computer for any dll errors and then fix them. This is a very effective way to fix dllhost.

Exe errors.

Key Takeaway: exe is a system process that is responsible for running COM+ applications. If it is terminated unexpectedly, it can lead to problems with your computer.

Is There Anything Else I Need to Know About exe in Syswow64 Folder?

If you’re like most Windows users, you’ve probably seen the dllhost. Exe process running in the background and wondered what it is.

Exe is a legitimate Windows process that is responsible for loading COM+ applications.

However, this process can be abused by malware to conceal their activity, so it’s important to be aware of what dllhost. Exe is and how to tell if it’s running maliciously.

The dllhost.exe process is typically located in the C:\Windows\System32 folder. If you see it running from any other location, it’s likely that it’s been placed there by malware.

This process can be loaded by any number of legitimate programs, so it’s not necessarily indicative of an infection if you see it running.

However, if you see multiple instances of dllhost.exe running, or if the process is consuming a large amount of CPU or memory, it’s worth taking a closer look.

To see what programs are currently running, you can open the Task Manager by pressing Ctrl+Shift+Esc. Once open, click on the “Processes” tab and scroll down to find dllhost.exe.

If you see multiple instances of dllhost.exe running, right-click on one of them and select “Open file location.” This will open Windows Explorer to the folder where the program is located.

If the location is anything other than C:\Windows\System32, it’s likely that the program is malicious. You can also check the properties of the dllhost.exe process to get more information about it.

To do this, right-click on the dllhost.exe process in the Task Manager and select “Properties.” In the “Image Path” field, you should see the full path to the dllhost.exe file.

If this field is blank, or if the path is anything other than C:\Windows\System32, it’s likely that the process is malicious. If you’re concerned that the dllhost.

Exe process might be malicious, you can scan your PC with a malware scanner. We recommend using Malwarebytes Anti-Malware, which is a free and effective malware scanner.

Key Takeaway: The dllhost.exe process is a legitimate Windows process, but it can be abused by malware to conceal their activity. If you see multiple instances of dllhost.exe running, or if the process is consuming a large amount of resources, it’s worth taking a closer look.

FAQs in Relation to exe in SysWOW64 Folder

Can I delete Dllhost?

No, you cannot delete dllhost.exe in the syswow64 folder. This file is a critical component of Windows that is required for various tasks.

What is Dllhost exe?

exe is a process that runs on your computer that is responsible for loading and running dynamic link library (DLL) files. DLL files are used by programs to perform specific tasks, and are often used by Windows to run system-level tasks.

exe is typically located in the C:\Windows\System32 folder, but may also be located in other locations on your computer.

Conclusion

If you’re having trouble with dllhost.exe in your syswow64 folder, don’t worry! There are plenty of ways to fix it.

Just follow the steps outlined in this article and you’ll have your computer running smoothly again in no time.

If you are concerned about the security of your computer, it is important to be aware of the potential risks posed by exe files. While these files are generally safe, there is a chance that they could contain malware or other malicious code. If you suspect that an exe file may be causing problems on your system, it is important to remove it immediately and scan your computer for any viruses or other malware. A reputable computer security service can help you identify and remove dangerous exe files from

Источник

I have an issue with multiple dllhost.exe*32 processes running and the process is constantly restarting even though I have ended the process from Task Manager. I have Malwarebytes installed which is also blocking access to malicious websites. The process being blocked is C:\Windows\SysWOW64\dllhost. Malwarebytes also says Malicious website blocked and I keep getting pop ups for high disk usage and CPU usage for COM surrogate. I don’t know what to do now. My computer is getting slowly. How do I fix the problem?

Learn More About C:\Windows\SysWOW64\dllhost.exe Pop-up:

If you keep getting pop ups from malwarebytes or other antivirus programs for “Malicious Website Blocked” for C:\Windows\SysWOW64\dllhost, then your computer must be at risk of being infected by a Trojan virus. This virus is associated with Dllhost.exe *32 COM surrogate that usually gets into system through malicious websites, spam email attachments and unsafe downloads without user’s permission. But once it is installed, it can show a visible infected symptom. Your CPU usage can reach to 100% with 30 instances of this process running in the background and no matter how many times you have tried to end the process, it keeps reappearing and eats up your system resources. Generally speaking, if you see multiple dllhost.exe process on Task manager, it doesn’t really mean that your computer is infected because in many cases, this is a safe Microsoft Windows system process, called “COM Surrogate”. However, cyber criminals take the advantage of this process name and they design another malware using the same name in order to escape detection from most antivirus programs and further attack innocent users. It is easy to find out whether the dllhost.exe is safe or malicious because the real one is usually located in the folder C:\Windows\System32 but the fake one could be placed to everywhere inside the computer, most frequently it will be in C:\Windows\SysWOW64\dllhost.exe.
Dllhost.exe virus


Trojan associated with C:\Windows\SysWOW64\dllhost.exe can make a big effect on your PC performance therefore you may see Windows system CPU usage continues to peek or stays at 100% and it is difficult for you to perform a single task on your PC. Everything is stuck and not loading anymore. It also contains other Trojan capabilities that can download threats or malware from the remote servers in the background and also open a backdoor to let remote hackers access the target PC. As a consequence, all your private information like log-in password, credit card details and other financial details could be compromised. The Trojan also has the ability to add malicious add-on or extension to your browser without your permission, causing unwanted browser redirection or Internet crash issues to bother users. It always spreads itself with the use of a fake scanner webpage so you will keep getting pop up from your antivirus saying that “Malicious Website Blocked”. To completely fix the issue, manual removal is needed.

The following instructions require certain levels of computer skills. If you’re not sure how to delete this nasty Trojan, please live chat with YooCare experts now.

Major characteristics of this nasty Trojan include:

Slow down your PC speed notably.
Add other dangerous Trojan or Spyware to your system secretly.
Allow the hacker to access your entire system.
Collect all your personal information and transfer to a remote hacker.
Destroy critical system files and make PC unstable.

How Does This Virus Get On Your Computer?

From malicious drive-by-download scripts from corrupted porn and shareware / freeware websites.
Through spam email attachments, media downloads and social networks.
When clicking suspicious pop-ups or malicious links.
Open unknown email or download media files that contain the activation code of the virus.

Note: No matter how the virus accesses your PC, users should know that there are no tools can remove this pesky Trojan automatically at this moment, it is suggested users not spend much time in downloading or paying any security software which claims can delete this stubborn virus. It is totally useless. To completely fix C:\Windows\SysWOW64\dllhost.exe problem, professional manual guide is needed.

About Trojan Virus Removal:

Currently many computer users had the same experience that this virus couldn’t be removed by any anti-virus applications. So the manual approach is always required to combat this virus. And here is the step-by-step removal guide for all computer users.

1. End the malicious process from Task Manager.

Once C:\Windows\SysWOW64\dllhost.exe problem is found, computer user may notice that CPU usage randomly jumps to 100 percent. At any time Windows always has many running processes. A process is an individual task that the computer runs. In general, the more processes, the more work the computer has to do and the slower it will run. If your system’s CPU spike is constant and remain at a constant 90-95%, users should check from Task Manager and see if there is a suspicious process occupying system resources and then end it immediately.

(The name of the virus process can be random.)

Press Ctrl+Shift+Esc to quickly bring up Task Manager Window：

task manager

2. Show hidden files and folders.

Open Folder Options by clicking the Start button, clicking Control Panel, clicking Appearance and Personalization, and then clicking Folder Options.

Click the View tab.

Under Advanced settings, click Show hidden files and folders, uncheck Hide protected operating system files (Recommended) and then click OK.

Folder Options

3. Open Registry entries. Find out the malicious files and entries and then delete all.

Attention: Always be sure to back up your PC before making any changes.

a. Press Windows key + R to open Run box. In the “Open” field, type “regedit” and click the “OK” button.

Run

Then a Registry Editor window will pop up as the following picture shows:

registry editor

b. Search malicious files and registry entries and then remove all of them:

%AllUsersProfile%\[random]
%AppData%\Roaming\Microsoft\Windows\Templates\[random]
%AllUsersProfile%\Application Data\.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\[random]
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Temp

Video Shows You How to Safely Modify Windows Registry Editor:

C:\Windows\SysWOW64\dllhost.exe pop-up indicates that your computer has a virus. This virus seriously endangers the privacy of computer users because it can steal your personal and financial information or give a malicious hacker access and control of your PC. PC users will have to suffer a tough time opening programs or surfing online properly. It keeps showing high CPU usage and makes computer frequent stuck. In some cases, it is capable of infecting other originally good documents, deleting some necessary files of your system or some other programs by penetrating into the registry files. This will lead you into a frustrating situation so you need to fix the issue as soon as you detect it.
Note: If you are not knowledgeable enough to be able to distinguish the location of this virus, or you are afraid of making mistake during the manual removal, please contact experts from Yoocare Online Tech Support for further help.

Published by & last updated on November 12, 2014 3:31 am

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What is dllhost.exe and COM Surrogate in Windows Task Manager? (Solved)

COM Surrogate processes, short for Component Object Model, are necessary components in Windows. They are used to run software extensions that other programs need to run. And if those extensions crash, it is the surrogate processes that are affected and not the programs that were running them.

There are many use cases of these processes, for example creating thumbnails of images and other files when a folder is opened. The COM Surrogate process hosts .dll files, so its name is dllhost.exe.

image-172

Photo by Christin Hume / Unsplash

The short answer is no. COM Surrogate processes themselves cannot be viruses. However, viruses and malware can disguise themselves as a COM Surrogate process.

Since it is an integrated part of Windows, I wouldn’t advise you to remove it. This container process enables your OS to run COM objects that help other processes and programs to work.

Since these processes are genuine components of Windows, they are widely used by cybercriminals. This has consequences – like the COM Surrogate having high CPU consumption and creating duplicates in the Task Manager.

A simple way to check its legitimacy is:

  1. Open Windows Task Manager by right-clicking on the taskbar and clicking Task Manager.
  2. Find the COM Surrogate processes and then right-click to Open File Location.
  3. Processes are legitimate if they are located in C:/Windows\System32 or C:/winnt/system32.

Common Errors

  1. COM Surrogate high CPU, disk usage
  2. COM Surrogate is not responding, freeze
  3. COM Surrogate virus
  4. COM Surrogate taking memory
  5. COM Surrogate always running
  6. COM Surrogate stopped working
  7. COM Surrogate keeps crashing, opening

There are many reasons for these errors to occur. The most common are:

  1. A third-party program incorrectly registered COM objects or they did not work correctly (if they were incompatible with current versions of Windows, outdated software).
  2. If the problem occurs during drawing thumbnails in Explorer, it’s because of outdated or incorrectly working codecs.
  3. Can be caused by viruses or malware, as well as damage to Windows System Files.

How can you fix these errors?

We discussed many errors above but the most common of them is «COM Surrogate has stopped working«. Below are the various methods to resolve it.

And even if you are having any of the other errors listed above, these methods are good to go and should help fix them, too.

1. Update Codecs

A manual method to solve this error is to update all the Codecs of Windows (7, 8 or 10) to their latest updated versions. You can download and install your latest Windows Codec Pack from here:

https://www.microsoft.com/en-in/download/details.aspx?id=507

Windows 7 Codec Pack: https://www.windows7codecs.com/    

Windows 8 & 10 Codec Pack: http://www.windows8codecs.com/

image-68

Installing Codecs

2. Reset Internet Explorer

The issue can also be caused due to cached files that were corrupt. In this instance, it’s be best to reset IE.

  1. Hold the Windows Key and Press R. In the run dialog, type inetcpl.cpl and click OK. Go to the Advanced Tab and choose Reset.
  2. Select Delete Personal Settings and hit the reset button again. Once you’ve done all that, reboot your PC and test it out.

image-69

Resetting Internet Explorer

3. Check Disk For Errors

If this error occurs when opening files saved in a particular DRIVE other then C:\ then you should check that drive for errors. If you don’t have any additional drives, just check the C:\ drive.

  1. Hold the Windows Key and press E. On Windows 7/Vista you will see the drives listed.
  2. On Windows 8/10, chose This PC from the left pane to view the drives. Right-click on the Selected Hard disk drive that you want to check and then select “Properties”.  

image-67

Checking Disk for Errors

3. Click the Tools tab from the top and then click Check Now under Error-                  Checking. Check both the Options and the click Start.

4. Re-register the DLLs

  1. Run the following commands in an escalated command prompt. Click Start, type cmd, and right click on the “cmd” program from the search results. Then select Run as Administrator.

cmd-run-as-administrator

Running cmd as Administrator

2. In the Command Prompt window, type the following commands and press the        Enter key one by one:

regsvr32 vbscript.dll
regsvr32.jscript.dll

2015-12-03_002655

Re-registering the DLLs

5. Rollback to the Previous Display Adapter Driver

  1. To do this, hold the Windows Key and Press R. In the run dialog, type hdwwiz.cpl and click OK.
  2. Scroll to the Display Adapters section in the Device Manager. Right click on it and select Properties.
  3. Click Roll Back Driver and proceed with the instructions on the screen.

In some cases, this option is grayed out. If that is the case then attempt the methods below.

image-72

Display Adapter
image-71
Roll Back Driver

6. Add dllhost.exe to the DEP(Data Execution Prevention) Exception

Go to Start > Control Panel > System > Advanced System settings> Performance settings > Data Execution Prevention.

  1. Select “Turn on DEP for all programs and services except those I select:”
  2. Click on “Add“ and navigate to C:\Windows\System32\dllhost.exe on 32-bit Windows Machine and on a 64-bit machine, add C:\Windows\SysWOW64\dllhost.exe
  3. After adding dllhost.exe to the exception list, Apply changes or click OK.

image-73

Data Execution Prevention

7. Switch to List or Details view / disable thumbnails

We have already discussed that COM Surrogate is in charge of your thumbnails. In order to avoid problems with it, you can disable thumbnails.

In addition, you can switch to List or Details view by doing the following:

  1. Open File Explorer.
  2. Click the View tab and choose the List or Details option.

8. Update your Antivirus

It has been reported that certain antivirus software, such as Kaspersky antivirus, can sometimes cause issues with the COM Surrogate process.

In order to fix those issues, you should install the latest version of your current antivirus software.

Thank you for reading this article. I hope it will help you fix your COM Surrogate errors.

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In this article, we are going to discuss on How to fix dllhost.exe application error in Windows 10/11. You will be guided with easy steps/methods to resolve the issue. Let’s starts the discussion.

‘dllhost.exe application error’ in Windows 10/11: dllhost.exe is legitimate executable file and associated with Microsoft Windows Operating System. This file runs in background which is also known as COM Surrogate. It is responsible for showing thumbnails processing images, videos, and other files and is also responsible for helping File Explorer to function and so on. If dllhost.exe COM Surrogate crashes, you may see error saying ‘COM Surrogate has stopped working’.

Several users reported they faced dllhost.exe application error on their Windows 10/11 computer when they tried to open any program. This issue indicates you are unable to open and use certain applications in Windows computer due to dllhost.exe application error. There could be several reasons behind the issue including corruption in system files or registry, malware or viruses infections in computer, outdated/corrupted Windows OS update, and other issues.

This issue can also be occurred due to problematic Windows update installed, bad device drivers installed, issue with hard drives, incorrect system settings, and other issues. It is possible to fix the issue with our instructions. Let’s go for the solution.

How to fix dllhost.exe application error in Windows 10/11?

Method 1: Fix dllhost.exe application error with ‘PC Repair Tool’

‘PC Repair Tool’ is easy & quick way to find and fix BSOD errors, DLL errors, EXE errors, problems with programs/applications, malware or viruses infections in computer, system files or registry issues, and other system issues with just few clicks.

Method 2: Update Windows OS

Updating Windows OS to latest version can resolve the issue.

Step 1: Open ‘Settings’ App in Windows PC via Windows Search Box and go to ‘Update & Security > Windows Update’ and click ‘Check for updates’ button

Step 2: Download and install all available updates in computer and once update, restart your computer and check if the issue is resolved.

Method 3: Run SFC scan and DISM scan

You can run SFC scan and DISM scan in computer to repair corruption in system files and system image in order to fix the issue.

Step 1: Type ‘cmd’ in Windows Search Box and press ‘SHIFT + ENTER’ keys on keyboard to open ‘Command Prompt as Administrator’

Step 2: Type following commands and hit ‘Enter’ keys after each to execute. Once executed, restart your computer and check if the issue is resolved.

sfc /scannow

DISM /Online /Cleanup-Image /RestoreHealth

Method 4: Perform System Restore

You can perform System restore to restore your computer to valid restore point according to date & time when there was no issue at all in computer.

Step 1: Press ‘Windows + R’ keys on keyboard, type ‘rstrui’ in ‘Run’ window and hit ‘Ok’ button to open ‘System Restore’ app

Step 2: Click ‘Next’, select a valid restore point and click ‘Next > Finish’ to start restoring process and once finished, check if the issue is resolved.

Method 5: Change your performance settings

Step 1: Open ‘Control Panel’ in Windows PC via Windows Search Box and go to ‘System and Security > System > Advanced System Settings’

Step 2: In the opened ‘System Properties’, click ‘Advanced’ and under ‘Performance’, and click ‘Settings’ button

Step 3: Open ‘Data Execution Prevention’ tab and check ‘Turn ON DEP for all programs and services except those I select’, click ‘Add’

Step 4: Navigate to ‘C:\Windows\System32\dllhost.exe’ or ‘C:\Windows\SysWOW64\dllhost.exe’ path, select ‘dllhost.exe’ and add it to the exception list, and then hit ‘Apply > Ok’ button to save the changes. Once done, check if the issue is resolved.

Method 6: Check for hard drives errors

Step 1: Open ‘This PC’ and go to your Windows installation drive, right-click it and select ‘Properties’

Step 2: Click ‘Tools’ tab and select ‘Check Now’ under ‘Error-Checking’. Follow on-screen instructions to finish scanning and once done, check if the issue is resolved.

Conclusion

I am sure this post helped you on How to fix dllhost.exe application error in Windows 10/11 with easy ways. You can read & follow our instructions to do so. That’s all. For any suggestions or queries, please write on comment box below.

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