> I've noticed that Httrack stores versioned files.
> For example page.html, page-1.html, page-2.html...
> I suppose that this is because I run the command
> always on the same folder. 
If you're not using site structure, (EG html in web, html in web/html etc) and
the site has two identical filenames (but in different directories.) Httrack
must put them in the same directory (you're not using site structre) so it
must use different names.