As you type in the Search Box, Windows 7 makes auto search suggestions based on past queries by pulling past queries from the Registry. If you want to disable auto search history suggestion in windows 7,pls follow the below instructions:
1.Open Local Group Policy Editor : 2 ways to open Local Group Policy Editor in Windows 7
2.Go to User Configuration | Administrative Templates | Windows Components | Windows Explorer | Turn Off Display Of Recent Search Entries In the Windows Explorer
3.Make “Enable” checked ,then “Apply” then “ok”
4.Now the search box will not show you search history suggestion again.
Update: For Windows 7 Home Editions,there is no Local Group Policy Editor,so please follow below steps to tweak your registry to disable the search history.
1.Click Start ,type regedit in your searchbox then press ENTER
2.In the registry editor window ,browse to
WordWheelQuery, then click Delete
4.Exit registry editor ,all done.
You can download and extract wordwheelquery then double click it to restore auto search in windows 7