Remove unnecessary entries from search bar in Windows 7

Windows 7 usually saves the searches that you enter in Explorer and offers them while typing. Over time this can become a bit confusing. You can delete them either fully or just a few entries. To delete a few entries mouse over that entry and press delete button. If you have a really long list, then deleting everything in this way might not be possible. The following trick involves editing registry. So please backup your registry by File>Expo...