> Is there way to set run HTTrack to mirror the site
> regularly (and automatically)as scheduled task

I copy doit.log to doit.bat
double all percents
add "path to httrack\httrack" to the beginning of the line
verify it works
in a command line type
for %Q in ("doit.bat") do (
for %D in ( tuesday wednesday thursday friday saturday sunday ) do (
        at 2:30 /interactive /every:%D "%~Q"
))