Checklist: Windows Update Service Not Running in Services.msc
When you open Services.msc and see that the Windows Update service (wuauserv) is not running, or ...
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Fix Windows Defender Login Loop Not RespondingWindows Update Caused PowerShell Login Loop – Fix ItMicrosoft Teams Chat Recovery GuideFix Outlook Slow Sync with Exchange Server: Practical StepsWindows Security Settings for Gaming: Practical GuideReduce CPU Usage from Windows UpdateFix Command Prompt Permission Denied ErrorFix Microsoft Store Access Denied Error by Clearing Cache