> On the last system hang, a lot of files that HTTrack had
> copied were still open and presumably lost when the system
> was brought down.
> 1) if those affected files were reacquired, and 
> 2) if previous accesses that resulted in an error were 
also
> reacquired?
Damaged file won't be detected, probably, in "continue" 
mode. Just delete them, it will force httrack to recatch 
them. Html data will be recovered up to the amount of data 
available in the existing cache (and if the cache was 
damaged, httrack will attempt to repair it on startup)