How to delete recently keyword in Windows Explorer search

In Vista and 7, Windows will store your search keyword that you've typed in a list.

If you want to delete all the recently keywords, you must to this registry tricks.

• Open the regedit.exe
• Point to HKEY_CURRENT_USER\Software\Microsoft\Windows\Explorer\WordWheelQuery
• Delete all the REG_BINARY keys with number at the Name column (Right Panel)