When logging in to Plesk, the following error appears:
HTTP Error 500.0 - Internal Server Error C:\Program Files (x86)\Parallels\Plesk\admin\bin\php-cgi.exe - The FastCGI process exited unexpectedly
When trying to install Plesk updates, the following error appears:
PHP Warning: require_once(Zend/Loader/Autoloader.php): failed to open stream: No such file or directory in C:\Parallels\Plesk\sb\include\init.php on line 16 PHP Fatal error: require_once(): Failed opening required 'Zend/Loader/Autoloader.php' (include_path='C:\Parallels\Plesk\sb/include;.;./includes;./pear;C:\Parallels\Plesk\sb\include;C:\Parallels\Plesk\sb\include\PEAR') in C:\Parallels\Plesk\sb\include\init.php on line 16 Failed to install 'C:\ParallelsInstaller\parallels\SITEBUILDER-WIN_12.0.7\dist-msi-Microsoft-2003-i386\sitebuilder-core.msi': Fatal error during installation. (Error code 1603) ERROR: The installation of the package 'sitebuilder-core' failed with code 1603. (upgrade: upgrading Parallels Presence Builder Core...) Not all packages were installed. Please, contact product technical support.
Unsupported system variable.
Go to system properties: Change settings > Advanced > Environment variables > System variables.
- Reboot the server to apply changes.