This FREE solution is for rolling back bad drivers or bad patches, fixing when buggy software breaks your PC, or simply rolling you back to a previous point in time

Step 1: establish the problem only occurs with an Office Product and if so, then a fresh Uninstall/Reinstall of Office is in order

Step 2: If it is System Wide then a Restore is in order

(Click for Detail on How)

Once done, you anti-virus program, M$ patches, etc should automatically update to the current offerings

Your documents, etc, should remain unaffected