Rule out parasites.
Dealing with Unwanted Spyware, Parasites, Toolbars and Search Engines
http://mvps.org/winhelp2002/unwanted.htm
The free version of ZoneAlarm would do that to me, now have the paid
version. No more problems.
Run MSCONFIG from the start/run applet under the startup tab any processing
calling IE?

Signature
Henri Leboeuf
Web page: http://www.generation.net/~hleboeuf/index.htm
> I need help on how to stop internet explorer automatically
> starting up when I turn on my computer. It doesn't
> connect me online, but the window seems to keep popping up
> without me clicking on the icon. Can anyone help me stop
> this very frustrating problem???