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 Nginx 502 Bad Gateway in Docker Containers

An Nginx 502 Bad Gateway error when proxying to a Docker container usually means Nginx cannot rea...

Git Merge Conflict: How to See the Diff Between Versions

When you run git merge and hit a conflict, Git pauses and marks the conflicting file...

How to Fix Windows Update Service Not Running

If Windows Update won't start or you see an error like "Windows Update cannot check for u...

Fix VSCode Git Authentication Failed: Reset Credentials

If you see a "Git authentication failed" error in Visual Studio Code, it usually means yo...

Fix Python Permission Denied When Running pip install -r requirements.txt