@WHRoeder:
If it is my DNS or internet connection, how come: A) httrack downloads
anything else, B) I can browse websites with a webbrowser and among others
retrieve the .zip file manually and connect to your website to post a thread.

If your conclusion is true, then other people with a decent internet
connection and DNS-setup should be able to download unlocker1.9.0-portable.zip
with the commandline I posted. Do you care to test and verify this?