problema interna server error

salve, ho messo uno script avs adult video script quando provo ad andare sull indirizzo non me lo trova.. ma se faccio /index.php si... e poi appena provo a loggarmi o fare qualsiasi altra cosa mi da il problema

Citazione:

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Internal Server Error

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

Please contact the server administrator, info@altervista.org 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.

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