Plesk shows the following error on login screen:
The file Loader.php is part of Plesk distribution. It cannot be run outside of Plesk environment.
The file Config.php is part of Plesk distribution. It cannot be run outside of Plesk environment.
Files located in "%plesk_dir%"\admin\plib folders are corrupted or missing.
Replace folder with ones from
plesk.msi package. To make this perform the steps bellow:
Extract plesk.msi package:
>msiexec /a C:\ParallelsInstaller\parallels\PANEL-WIN_12.0.18\dist-msi-Microsoft-2003-i386\plesk.msi TARGETDIR=C:\tmp\ /qn
Backup current plib folder:
>xcopy "%plesk_dir%"\admin\plib "%plesk_dir%"\admin\plib_old
Replace plib folder with extracted one:
>xcopy C:\tmp\Program Files\Parallels\Plesk\admin\plib "%plesk_dir%"\admin\plib
Plesk reconfiguratortool with Plesk file security option.