> I was attempting to update my Hard Drive archive of
> www.jademountain.com created with a previous version 
of
> WinHTTrack.  However, about 23-25% of the way through
> the update the software triggered my firewall and my
> firewall asked me to confirm whether or not I wanted 
to
> give WINHTTRACK access to several sites.  
> 
> At this same time I got a message stating 'WINHTTRACK
> caused an invalid page fault in module WINHTTRACK.EXE

Did the crash happened before/after that? 
Try to restart (using 'Continue' - NOT 'Update') the 
mirror, and check if the crash occurs again.