> It would be nice, to generate a .chm - File from a 
tracked 
> web-site. 
> Obviously HTTrack doesn't support this, or is there a 
trick?
This is not supported, chm is a proprietary format. 
But ".mht" format is currently in beta-testing, and will 
allow to make 1-file archives of websites

> Does somebody know a freeware software that does this 
task? 
> Has somebody prepared some batch-files esp for HTTrack?
I doubt that a single batch file will do the trick - mht 
format is a binary, proprietary, badly documented format.