
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 reset your BIOS/UEFI settings, cleared the TPM, or updated firmware, you may s...

If your PC shows a blank screen (black or white) after login, a misconfigured Task Scheduler task...

If Teams is acting up—failing to sync, showing corrupted profiles, or refusing to log in—resettin...

OneDrive sync problems often show up as files not updating, error messages, or the sync icon stuc...

You run certbot renew and get an error. Maybe the command hangs, or it says 'renewal...