500 Internal Server Error I changed my server and when I uploaded my site this error appeared:


  Internal Server Error
  The server encountered an internal error or misconfiguration and was unable to complete your request.
  Please contact the server administrator, webmaster@xxxxxxxx.com 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.  
  
  Additionally, a 500 Internal Server Error error was encountered while trying to use an ErrorDocument to handle the request.
  Apache/2 Server at xxxxxxx.com Port 80 


I tried to upload it again without success. I tried uploading the index.html file without the drupal site, and it worked.  

How can I solve this problem?
I had this problem too, due to a bug in my PHP code and the fact php.ini was not set to display errors.

Find the line display_errors = Off in php.ini and change it to display_errors = On. This way you'll see the specific php error message instead of the generic internal server error.