How To fix 500 internal Server Error in Plesk when Installing Applications -Windows shared
The 500 internal error means the document being searched for cant be displayed due to an occurring problem. This usually happens after installation of WordPress/Joomla and it requires a reset on FastCGI.
The steps below can guide you on reset.
- Click on websites and domains
- Click on host settings
- The box close to PHP support should be unchecked.
- Click OK and you will be redirected to the first step of website and domains. Repeat up to the third step then refresh the page.