> 2. I just currently installed the software on my
> company pc and I somehow can't download anything
> currently. The error log is the following:
> 
> 21:06:56 Error:  "Proxy Authentication Required"
> (407) at link www.ted.com/index.php/talks/download/
> (from primary/primary)

Your proxy settings are wrong. Httracks settings must match your browsers.