Sites are not accessible: Error HTTP 500.0 – Internal Server Error

Symptoms

• Trying to access a domain website shows the following error:

  HTTP Error 500.0 - external Server Error
  C:Program FilesParallelsPleskAdditionalPleskPHP72php-cgi.exe - The FastCGI process exited unexpectedly

• Repairing permissions for C:WindowsTemp has no effect

  C:UsersAdministrador>plesk repair --directory-permissions -directory "C:WindowsTemp"
  Permissions were fixed for directory "C:WindowsTemp"

• Disabling opcache for the PHP version reported in the error fixes the problem

  

Cause

One or more necessary cache files in C:WindowsTemp are corrupted.

Resolution

1. Connect to the server over RDP

2. Remove all files from C:WindowsTemp

3. Restart IIS using a Command Prompt

   C:>iisreset