
Windows Security Troubleshooting Checklist
If Windows security features aren't working as expected—like Windows Defender won't start, update...
Software troubleshooting desk

If Windows security features aren't working as expected—like Windows Defender won't start, update...

If you've recently swapped your motherboard, CPU, or other major hardware, you may hit a blank sc...

If you see 'Windows Defender service unavailable' in Windows 10, the antivirus may be disabled or...

You open Chrome and instead of your usual homepage, you see a blank white screen. The browser is ...

After resetting your network settings (e.g., running netsh int ip reset or resetting...

If Outlook gets stuck on 'Loading profile' when you start it, add-ins are often the culprit. This...