> 20:52:25 at <http://www.XYZS.COM> *.EXE

Bad syntax: use
`http://www.XYZS.COM +*.EXE`

> 20:52:31 Error:  "Connect Error" (-4) after 2
> retries at link www.XYZS.COM/ (from
> primary/primary)

You probably have either a firewall blocking httrack (preventing httrack from
connecting to the outside world, in this case, fix your firewall settings), or
a missing proxy (in this case, go in 'Set Options'/'Proxy')