Server error!

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

Error message:
Premature end of script headers: mainpage.pl

If you think this is a server error, please contact the webmaster.

Error 500

intranet
10/15/06 16:39:00
Apache/2.0.52 (Win32)

the details i found from log file:

[Sun Oct 15 16:39:01 2006] [error] [client 127.0.0.1] Premature end of script headers: mainpage.pl
[Sun Oct 15 16:39:02 2006] [error] [client 127.0.0.1 ] Can't locate HTML/Template.pm in @INC (@INC contains: c:/usr/koha224/intranet/modules C:/usr/site/lib C:/usr/lib .) at C:/usr/koha224/intranet/cgi-bin/koha/mainpage.pl line 2.\r
[Sun Oct 15 16:39:02 2006] [error] [client 127.0.0.1] BEGIN failed--compilation aborted at C:/usr/koha224/intranet/cgi-bin/koha/mainpage.pl line 2.\r

Plz help me how can i login to Koha

With Thanx & Regards
Rashmi Ranjan Kar
Jagannath Institute of Technology and Management, Paralakhemundi
Gajapati, Orissa
Ph: +91-9437829652
Email: rashmibb@yahoo.com , rashmi@jitm.ac.in