Apache Friends Support Forum

Sorry for bad english !

Can somebody please advise me about this? I had installed XAMPP and when i copy some php files (php scripts,cms....) in htdocs and when i go to example: http://localhost/vbulletin i can´t view files.

Index of /vbulletin
Name Last modified Size Description-------------------------------------------------------------------------------- Parent Directory -
--------------------------------------------------------------------------------
Apache/2.2.8 (Win32) DAV/2 mod_ssl/2.2.8 OpenSSL/0.9.8g mod_autoindex_color PHP/5.2.5 Server at localhost Port 80

And in some scripts is this error:

Server error!

The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there was an error in a CGI script.

If you think this is a server error, please contact the webmaster.
Error 500
localhost
07/10/08 23:31:13
Apache/2.2.8 (Win32) DAV/2 mod_ssl/2.2.8 OpenSSL/0.9.8g mod_autoindex_color PHP/5.2.5


PLEASE CAN ANYONE HELP ME
THANKS

sorry for bad english