
How to Reset Windows Security Settings to Default
If Windows Security is blocking a trusted app, showing persistent warnings, or behaving oddly aft...
Software troubleshooting desk

If Windows Security is blocking a trusted app, showing persistent warnings, or behaving oddly aft...

If OneDrive files aren't syncing, you might see error messages, a stuck sync icon, or files that ...

You open Windows Security (formerly Windows Defender Security Center) and see only a blank white ...

When you use a Microsoft Store offline installer (sometimes called an app bundle or .appxbundle f...

If you see a message that your Windows Defender token has expired, it usually means the security ...

You join a meeting in Microsoft Teams, but the app shows 'No audio device detected' or your micro...