If you cannot fix it via .htaccess, then rebuild your apace and it will most likely fix the problem.
Black Pearl Reviewed by Black Pearl on . 500 Internal Server Error Hi guys my vps return with this error when i open my site 500 Internal Server Error The server encountered an internal error or misconfiguration and was unable to complete your request. Please contact the server administrator, root@localhost and inform them of the time the error occurred, and anything you might have done that may have caused the error. More information about this error may be available in the server error log. Rating: 5