Perhaps the problem is that the operating system you are using forces HTTracks
to generates IPv6 addresses for the proxy. I came across this task when I was
preparing a project for
<https://assignment.essayshark.com/computer-science-help.html> site. Here is the
intended solution to the problem:
<https://stackoverflow.com/questions/24848443/error-with-capture-url-catch-url-in-httrack>