(Or, if you are using a keyboard and mouse, type cmd at the Start screen.) In the search results, press-and-hold or right-click Command Prompt, and then select Run as Administrator. Windows8.1 and Windows 8: From the Start screen, swipe in from the right side to display the charms, select Search, and then search for cmd.Click Yes when the User Account Control box appears. Windows 10: Press and hold (or right-click) the Windows logo button on the taskbar and then select Command Prompt (Admin).To do this, use one of the following methods, depending on your version of Windows: To reset the Windows Update components, follow these steps:ġ. Before you modify it, back up the registry for restoration in case problems occur. Serious problems might occur if you modify the registry incorrectly. Important Follow the steps in this section carefully.