Method One, registry method
1, first press "Win+r" to open the running window, enter the "regedit" command press ENTER, enter the Registry Editor;
2, in the Registry Editor in turn to find positioning: hkey_current_usersoftwaremicrosoftwindowscurrentversionexplorerwordwheelquery;
3, then in the Wordwheelquery item right to delete the name is the default item left, other delete can be, in case of deletion error
PS: This method is not enough to search every time, you need to enter the registry to delete, more trouble, if you want to completely let the search records do not leave traces, see method Two.
Method Two, group strategy method
1, press "Win +r" to open the running window, enter gpedit.msc and press ENTER, open Group Policy Editor;
2, in the Group Policy Settings window click Open "User Configuration → management template →windows component →windows Explorer";
3, and then in the right pane, locate and double-click the show to close recent search entries in the Windows Explorer search box, change disabled to Enabled in the pop-up Properties window, and then click OK.
4, through the Group Policy in this setting, after the search record will not leave any traces of the search, so that the search is more secure.