First, please right-click the taskbar icon of Win10 system, and click the "Task Manager" option in the pop-up menu to open the task manager of Win10 system.
After opening the task manager page of Win10 system, click the "Service" tab at the top right corner of the page to open the Windows system service page.
After opening the Windows system service page, click the "Open Service" option at the bottom left corner of the page in the service page to open the Windows system service manager.
four In the Windows system service list, click "User Manager Service" in the search service list, and then double-click to open the service configuration page.
five On the User Manager service configuration page, click the "Start" option on the page to start the service, and set the service to the "Auto Start" mode. After setting, we can log off the currently logged on system account, and then log on the account again to return to normal.