HTTP Error 500.0 – Internal Server Error
1) HTTP Error 500.0 – Internal Server Error
Calling LoadLibraryEx on ISAPI filter “C:\Program Files (x86)\Parallels\Plesk\isapi\urlprotect.dll” failed
You then need to go to ISAPI filter and revert it to parent. Or you can manually remove that entry from ISAPI filter
This issue happens when you change the Identity or new application pool for an existing website.