Resolved 500 Internal Server Error

i want to install quickstart for megadeal. but this error happening.


Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator, [email protected] 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 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.
Apache/2.2.26 (Unix) mod_ssl/2.2.26 OpenSSL/1.0.1e-fips mod_bwlimited/1.4 Server at quick.ortakal.net Port 80


i try to solve. i changed htaccess file, copied configuration.php file from active web site. i dont know another way.

How can i solve this error. Please help me..