I am having the same problem (Word Professional 2007). No mouse
control. Cannot select Resourses using the keyboard either
(WordOptions.Resources). I am pure vanilla, no addins. I opened a
trouble ticket on this with Microsoft today. Don't understand the
statement "starting in admin mode". My user account is specified as
admin in Vista. I've even turned user control off. I tried running a
Repair using the Office CD. Still no luck. Last resort is to
uninstall and reinstall but that's drastic action. Any more
suggestions?

RE: No Mouse Control by Joy

Joy
Thu Apr 12 14:50:03 CDT 2007

Turns out my app was not pure vanillia afterall. The culprit was an addin
(FlashPage) from Macromedia Studio 8. Removed the addins and I once again
had mouse control. Nice blog about the problem by Tim Anderson.
http://www.itwriting.com/blog/?p=140#comment-11332