Try following steps 1 through 3 in this article:
http://support.microsoft.com/default.aspx?scid=kb;en-us;266668
With respect to step 3, run regedit and verify whether the keys listed there exist EXACTLY as shown.
Depending on the version of Internet Explorer you have installed, the "repair tool" may not be available to you.
http://support.microsoft.com/default.aspx?scid=kb;en-us;266668
With respect to step 3, run regedit and verify whether the keys listed there exist EXACTLY as shown.
Depending on the version of Internet Explorer you have installed, the "repair tool" may not be available to you.