Knowledge base for software setup, errors, and daily tool work.

How to Repair Corrupted Windows Terminal Settings

If Windows Terminal fails to launch or shows default settings instead of your custom ones, the se...

How to Avoid Microsoft Teams Rate Limits

If you use Microsoft Teams extensively—especially with bots, automation, or custom apps—you may h...

Nginx 502 Bad Gateway: Troubleshooting Checklist

If you're seeing a 502 Bad Gateway from nginx, it usually means nginx can't reach the upstream se...

Fix PowerShell Not Opening After Windows Update

After a Windows update, you might find that PowerShell won't open at all—no window appears, or it...

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...

How to Clear SSH Known Hosts and Fix Host Key Verification Failed