Windows Update Doesn't Work Through AllegroSurf - KB Article #1185Related Articles --
Windows Update version 4.0, from Microsoft, introduced a bug when running through a proxy server. We have seen many proxy servers fail because of this problem, including hardware solutions using NAT.
AllegroSurf 5.0 works around this Windows problem, such that Windows Update and AllegroSurf 5.0 work correctly together. Use the latest version of AllegroSurf:http://www.AllegroSurf.com/d.htm