Instead, follow these directions to use a PowerShell command to get the job done.

It might take anywhere from 5 seconds to a few minutes to complete.

If you’re free to open controls normally, there’s an easier method after these steps.

get appxpackage microsoft sechealthui powershell command in Windows 11

Right-nudge the Start button and selectTerminal (Admin).

In the meantime, you might briefly see aDeployment operation progressmessage.

Another way to reset Windows Defender is through configs.

Reset in Windows Security options

If options opens fine for you, you don’t need to bother with a PowerShell command.

In these cases, the PowerShell command should refresh the tool back to working order.

You might think it’s been uninstalled or is broken, but really it’s justdisabled.

On toggle under Real time protection in Windows Security virus and threat protection settings

Learnhow to turn Windows Defender on and offfor specific directions.

FAQ

Not really.

While Windows Defender provides basic protection from threats, it’s no substitute for third-partyantivirus software.

Go toStart>prefs>Privacy & Security>Windows Security>Virus & threat protection.

Under Virus & Threat Protection configs, selectManage configs, then under Exclusions, selectAdd or remove exclusions.