
Fix Windows Security Service Unavailable After Update
After a Windows update, you might open Windows Security and see a message like “Security service ...

After a Windows update, you might open Windows Security and see a message like “Security service ...

You see an error saying the Windows edition or version doesn't match the license you're trying to...

You're running a command in Command Prompt and get hit with "Authentication failed" or "Access de...

If you're relying on Windows Security (formerly Windows Defender) as your primary antivirus, you'...

If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...

If you see "OneDrive cannot sync due to a proxy error," the app is likely misconfigured for your ...