When I try to log into Plesk Control Panel I get this error:

DefPackageMng() constructor failed: defpackagemng failed: Access is denied. (Error code 5) at CreateProcess 'C:\WINDOWS\system32\cmd.exe /c ""C:\SWsoft\Plesk\admin\bin\defpackagemng.exe" --get"'
at execUtil C:\SWsoft\Plesk\admin\bin\defpackagemng.exe --get on C:\SWSoft\Plesk\admin(PleskSrvClient::execUtil line 420)
at execute console command --get(vconsoleapp::start line 128)
at execute C:\SWsoft\Plesk\/admin/bin/defpackagemng --get(vconsoleapp::run line 138)
---------------------- Debug Info -------------------------------
0: C:\SWsoft\Plesk\admin\plib\class.DefPackageMng.php :14 psaerror(string "DefPackageMng() constructor failed: defpackagemng failed: Access is denied. (Error code 5) at CreateProcess 'C:\WINDOWS\system32\cmd.exe /c ""C:\SWsoft\Plesk\admin\bin\defpackagemng.exe" --get"'
at execUtil C:\SWsoft\Plesk\admin\bin\defpackagemng.exe --get on C:\SWSoft\Plesk\admin(PleskSrvClient::execUtil line 420)
at execute console command --get(vconsoleapp::start line 128)
at execute C:\SWsoft\Plesk\/admin/bin/defpackagemng --get(vconsoleapp::run line 138)")
1: C:\SWsoft\Plesk\admin\plib\class.ActionLog.php:426 defpackagemngmaker()
2: C:\SWsoft\Plesk\admin\plib\cmd_loginup.php:240 actionlog->submit()
3: C:\SWsoft\Plesk\admin\plib\cmd_loginup.php:99 createsessionadmin(string "admin", string "YOUR_PASSWORD", boolean true)
4: C:\SWSoft\Plesk\admin\htdocs\login_up.php3:51 createsession(string "admin", string "YOUR_PASSWORD")

Such error occurs when Plesk Control Panel service Apache can't access to C:\Windows\System32\cmd.exe. This may happen when administrator manually changes permissions on file system. User SERVICE should have Read+Execute; Read on the file.

The following permissions should be set on cmd.exe to make server work properly:

Administrators - Full Control
System - Full Control
Service - Read+Execute; Read
Interactive - Read+Execute; Read

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