
How to Reinstall Windows Defender in Windows 11
If Windows Defender (Microsoft Defender Antivirus) is missing, disabled, or not working correctly...

If Windows Defender (Microsoft Defender Antivirus) is missing, disabled, or not working correctly...

If you're seeing a "504 Gateway Timeout" error when using Windows Search—especially when searchin...

You open the Services console (services.msc) to adjust the Microsoft Store startup type, but the ...

You try to update an app from the Microsoft Store, but get a 'permission denied' error. The updat...

If you open PowerShell on Windows 11 and see nothing but a blank window—no prompt, no text—the sh...

If you manage Windows updates in an enterprise environment, you may need to use a custom SSL cert...