Lock up when opening files in Excel

[Mike in the UK]

My system has suddenly started locking up when I use open or saveas.. in
Excel, Word and if I attempt to look at sub-folders in Explore.

 

[Gary''s Student]

Maybe:

http://www.microsoft.com/communitie...&p=1&tid=ffff6f37-c58a-46aa-a934-6328856bc1d0