
Enable Windows Security Manually When It Fails to Start
If Windows Security (formerly Windows Defender) fails to start, you may see an error like "This a...

If Windows Security (formerly Windows Defender) fails to start, you may see an error like "This a...

If you see a message like 'Your profile could not be opened correctly' or 'The profile appears to...

You click the Windows Security icon in the taskbar or try to open it from Settings, but nothing h...

When Windows security tools—like antivirus, firewall, or endpoint protection—start conflicting, y...

After installing or updating Microsoft Office, Outlook may open ...

You try to install or update an app from the Microsoft Store and see an error about version misma...