[Koha] problem

[ashwini gaikwad]

I have installed Perl 5.8.0.802,  Apache 2.2.9 and Mysql 5 on Windows
2000 and installed koha 2.2.9
I am getting Error
Internal Server Error
The server encountered an internal error or misconfiguration and was
unable to complete your request.

Please contact the server administrator, webmaster at dummy-opac 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.


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Apache/2.0.59 (Win32) Server at intranet Port 80



I am not able to understand where i am goin wrong

Thanks

Ashwini