Iam finished upload to my domain is succesfull. in index page it's ok. iam click any menu's have massage :
The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator, webmaster@infoantony.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.

Please help my problem. Thank you so much

This is most likely a htaccess/modrewrite problem. Either the file is missing or wrong or your server does not support it. Then you have to disable modrewrite on the backend.