Pgadmin не запускается на windows 7

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I faced the same issue (on window server)
My solution is just open task manager and finds out pg_ctl then just end that task and reopen pgadmin again. It will work!in case it still doesn’t work just try to terminate mysql.exe too.

For me, the postgresql server was set to start manual and it was not running in services, i started the service and it worked

Download pgAdmin from its website and install it separately from postgres.(Its works for me on Windows 10 — 64 Bit)

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I get the pgadmin 4 server could not be contacted. This is the first time I installed on my computer. I tried the run as admin solution, remove the app/roaming files, restart the posgresql services, tried to modify the config.py, config_distro.py. All of it did not help. Please help thank you.

Here is the error

pgAdmin Runtime Environment

Python Path: «C:\Program Files\PostgreSQL\12\pgAdmin 4\python\python.exe»
Runtime Config File: «C:\Users\lco73\AppData\Roaming\pgadmin\runtime_config.json»
pgAdmin Config File: «C:\Program Files\PostgreSQL\12\pgAdmin 4\web\config.py»
Webapp Path: «C:\Program Files\PostgreSQL\12\pgAdmin 4\web\pgAdmin4.py»
pgAdmin Command: «C:\Program Files\PostgreSQL\12\pgAdmin 4\python\python.exe -s C:\Program Files\PostgreSQL\12\pgAdmin 4\web\pgAdmin4.py»
Environment:

• ALLUSERSPROFILE: C:\ProgramData
• APPDATA: C:\Users\lco73\AppData\Roaming
• CHROME_CRASHPAD_PIPE_NAME: \.\pipe\crashpad_2976_GCSFUFUNDXSUIDKX
• CHROME_RESTART: NW.js|Whoa! NW.js has crashed. Relaunch now?|LEFT_TO_RIGHT
• CommonProgramFiles: C:\Program Files\Common Files
• CommonProgramFiles(x86): C:\Program Files (x86)\Common Files
• CommonProgramW6432: C:\Program Files\Common Files
• COMPUTERNAME: CHENONN
• ComSpec: C:\Windows\system32\cmd.exe
• DriverData: C:\Windows\System32\Drivers\DriverData
• HOMEDRIVE: C:
• HOMEPATH: \Users\lco73
• JAVA_HOME: C:\Users\lco73\AppData\Local\Programs\AdoptOpenJDK\jdk-11.0.10.9-hotspot\
• LOCALAPPDATA: C:\Users\lco73\AppData\Local
• LOGONSERVER: \CHEO
• M2_HOME: C:\Program Files\apache-maven-3.6.3
• MAVEN_HOME: C:\Program Files\apache-maven-3.6.3
• NUMBER_OF_PROCESSORS: 16
• OneDrive: C:\Users\lco73\OneDrive
• OneDriveConsumer: C:\Users\lco73\OneDrive
• OS: Windows_NT
• Path: C:\Users\lco73\introcs\java\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0;C:\Windows\System32\OpenSSH;C:\Program Files\MATLAB\R2018a\runtime\win64;C:\Program Files\MATLAB\R2018a\bin;C:\Program Files\MATLAB\MATLAB Runtime\v96\runtime\win64;C:\Program Files\apache-maven-3.6.3\bin;C:\Program Files\apache-maven-3.6.3\bin;C:\Program Files\TMC-cli;C:\Program Files\MySQL\MySQL Shell 8.0\bin;C:\Users\lco73\anaconda3;C:\Users\lco73\anaconda3\Library\mingw-w64\bin;C:\Users\lco73\anaconda3\Library\usr\bin;C:\Users\lco73\anaconda3\Library\bin;C:\Users\lco73\anaconda3\Scripts;C:\Users\lco73\AppData\Local\Programs\AdoptOpenJDK\jdk-11.0.10.9-hotspot\bin;C:\Users\lco73\introcs\j3d\bin;C:\Users\lco73\introcs\bin;C:\Users\lco73\AppData\Local\Microsoft\WindowsApps;C:\Program Files\JetBrains\PyCharm Community Edition 2021.1.1\bin
• PATHEXT: .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC
• pgAdmin: C:\Program Files\PostgreSQL\12\pgAdmin 4\bin
• PGADMIN_INT_KEY: de63dec9-3578-472a-af02-2786fce52e26
• PGADMIN_INT_PORT: 63995
• PGADMIN_SERVER_MODE: OFF
• postgreSQL: C:\Program Files\PostgreSQL\12\bin
• PROCESSOR_ARCHITECTURE: AMD64
• PROCESSOR_IDENTIFIER: Intel64 Family 6 Model 165 Stepping 5, GenuineIntel
• PROCESSOR_LEVEL: 6
• PROCESSOR_REVISION: a505
• ProgramData: C:\ProgramData
• ProgramFiles: C:\Program Files
• ProgramFiles(x86): C:\Program Files (x86)
• ProgramW6432: C:\Program Files
• PSModulePath: C:\Program Files\WindowsPowerShell\Modules;C:\Windows\system32\WindowsPowerShell\v1.0\Modules
• PUBLIC: C:\Users\Public
• PyCharm Community Edition: C:\Program Files\JetBrains\PyCharm Community Edition 2021.1.1\bin;
• PYTHONPATH: C:\Users\lco73\Desktop\Python\Convolutional_neural_network-master
• SystemDrive: C:
• SystemRoot: C:\Windows
• TEMP: C:\Users\lco73\AppData\Local\Temp
• TMP: C:\Users\lco73\AppData\Local\Temp
• USERDOMAIN: CHENONN
• USERDOMAIN_ROAMINGPROFILE: CHENONN
• USERNAME: lco73
• USERPROFILE: C:\Users\lco73
• windir: C:\Windows
• ZES_ENABLE_SYSMAN: 1

Traceback (most recent call last):
File «C:\Program Files\PostgreSQL\12\pgAdmin 4\web\pgAdmin4.py», line 98, in
app = create_app()
File «C:\Program Files\PostgreSQL\12\pgAdmin 4\web\pgadmin_init_.py», line 347, in create_app
if not os.path.exists(SQLITE_PATH) or get_version() == -1:
File «C:\Program Files\PostgreSQL\12\pgAdmin 4\web\pgadmin\setup\db_version.py», line 19, in get_version
return version.value
AttributeError: ‘NoneType’ object has no attribute ‘value’

asked May 14, 2021 at 7:38

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I found the solution, if you are first time using PostgreSQL and new to SQL stuff, probably there is some python module not installed. Go to the folder C:(YourUserFolder)\PostgreSQL\pgAdmin 4\web and run setup.py using terminal. It will list down the module missing when you run. Install the modules and run again to see which other module is missing. Or you can use an IDE that can check which module that is not install in the _ init _.py files in the «PostgreSQL\pgAdmin 4\web\pgadmin» folder.

Simply delete C:\Users%USERNAME%\AppData\Roaming\pgAdmin\ and then install pgAdmin 4

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On me, It seems the problem was that pgAdmin could not select a free port randomly and I put it a fixed one, not used in «netstat -a» list, and pgAdmin has started.

Restart my computer worked for me

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Is correct for my try everythin mentione here and work it, becouse I try one per one and no work it so I when to do everthin mentionate here
, I was unistalla PGADMIN Uninstall / Change -> Individual Components , after delete this director C:\Users%USERNAME%\AppData\Roaming\pgAdmin\ , and then delete all file of pgadmin on the previos installation. and then donwload pgamdin recent version. finally works it