Step 1 :- go to the Windows Orb (Start).
Step 2 :-type regedit.
Step 3 :-press Enter and in the left pane navigate to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\WordWheelQuery. Right click on WordWheelQuery and click Delete.
Step 4 :- The key will be recreated next time you ‘do’ a search’.
Step 5 :-It is prudent to make a backup of the registry or create a system restore point before making any registry changes.