Failing or delaying the restart may leave your PC vulnerable to attacks and other risks, which may further put it in unstable or unusable state. Important: If you plan to use this method to keep Windows 10 from restarting automatically, make sure to restart it manually as soon as possible after Windows has finished installing the updates. You should also not use this method if you don’t restart your PC ever. Note: As mentioned above, because rebooting is a necessary step after installing updates, DO NOT use this method unless you’re used to shutting down your PC after you’re done working for the day. By default, the active hours are set from 08:00 AM to 05:00 PM that you can change as per your working schedule.Īlthough not encouraged by Microsoft, this method lets you completely turn off automatic reboots initiated by Windows updates. In Windows 10, you can prevent such automatic, uninformed restarts in two ways, namely:Īctive Hours is a built-in feature in Windows 10 that lets you define the hours of a day when you use your PC, and don’t want Windows to initiate automatic restarts whatsoever. However, the frequent and abrupt restarts may not only annoy you, you may also lose your unsaved, important work. Restarting is an essential step for Windows 10 updates to function properly.