chm not working

[email protected] ("Aurel Dumitrascu") Tue, 19 Jun 2007 16:52:25 +0300
Newsgroups php.doc.chm
Message-ID <[email protected]>
Hi, I downloaded the extended chm help and it doesn't work (when I open it  
it shows blank pages).
I am running win xp professional v. 2002, SP2.
What could be the problem ?