
Fix Windows Security Service Failing to Start on Startup
If Windows Security (Windows Defender) fails to start when you boot your PC, you may see a warnin...

If Windows Security (Windows Defender) fails to start when you boot your PC, you may see a warnin...

You open Windows Security and see a message like "DNS server is not responding" or "Your IT admin...

After a Windows update, some users find that Windows Defender is missing from the system tray, Se...

After a recent Windows update, you open the Microsoft Store and see 'Error 502 – Bad Gateway'. Th...

If you're seeing a "502 Bad Gateway" error when opening Windows Security (also known as Windows D...

If you see an error like "Windows Defender cache corrupted" or "The Windows Defender cache is cor...