REGEDIT4
[-HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\MenuExt\britannica]
[-HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\MenuExt\EncyclopediaSrch]
[-HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\MenuExt\Define @ MW]
[-HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\MenuExt\Google]