
How to Reinstall the Windows Security Module
If Windows Security won't open, shows errors, or you see "This app has been turned off" messages,...
Software troubleshooting desk

If Windows Security won't open, shows errors, or you see "This app has been turned off" messages,...

You may notice high CPU usage from a process called SearchIndexer.exe or RuntimeBroker.exe, even ...

You have a script—whether it's a PowerShell, batch, or Python file—that needs to run automaticall...

You open Windows Security and see the message 'Windows Defender service unavailable' or 'Windows ...

If Microsoft Edge shows that profile sync is paused every time you start the browser, syncing boo...

If the Microsoft Store won't open, apps fail to download or update, or you see error codes like 0...