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

Windows Update Service Troubleshooting Checklist

When Windows Update stops working, the update service itself is often the culprit. You may see er...

Fix Cloudflare Wildcard Subdomain Page Rule Not Working

You set up a wildcard subdomain page rule in Cloudflare—like * .example.com/*—but it...

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

This error usually means Windows Update doesn't have pe...

Fixing VS Code Git Authentication Failed Error

If you see "Git authentication failed" when pushing or pulling in VS Code, it usually mea...

Fix Nginx Upstream Connection Refused Timeout Error

When Nginx returns 502 Bad Gateway or logs upstream connection refused timeout...