I have tried everything suggested in this thread. I even tried to create the registry keys myself. I am working on a customer's computer and have never seen before.
The computer is a brand new gateway with Windows XP Home SP2. I don't know the version of IE or what Service Pack it has installed. Obviously it is 6.x but thats all I know.

When I open Internet Explorer it gives me this error:
http://img401.imageshack.us/img401/5...rror9mb.th.jpg

Nothing else happens. When I click ok, the screens go away and IE is closed. I figured it was something with the default homepage but when I right click on IE and go to properties or go to internet options in the Control panel, this is what I see:
http://img401.imageshack.us/img401/4972/ietab4zm.th.jpg

I checked for spyware with Spybot, Adaware, Microsoft Antispyware and Spysweeper. I also ran Hijackthis and didn't see anything out of the ordinary. It doesn't appear that he has any spyware. I am at a loss here and don't know what the problem could be. I don't want to reload windows if I don't have to. I tried to reinstall IE by right clicking on ie.inf in c:\windows and clicking install. It ran through the install process and copied the files from the xp home cd but it still doesn't work. Firefox works fine but my customer wants his IE fixed. What can I try next?