Checklists for software errors, setup, and tool workflows.

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Latest checklists

If you see fatal: refusing to merge unrelated histories when running git merge...

Fix 'Python' Command Not Found in VS Code Terminal on Windows
When you open the VS Code terminal on Windows and type python, you might see &...

Fix 'fatal: refusing to merge unrelated histories' in Git
You cloned a repository, made some commits locally, and now when you try to git pull...

Fix Windows 11 Installation Assistant Stuck at 99%
You're running the Windows 11 Installation Assistant, it reaches 99%, and then sits there. No...

Docker Container Exits Immediately in Docker Compose
If your Docker container exits immediately after starting with docker compose up, it...

How to Fix Git Index Lock File Exists Error
If you see an error like fatal: Unable to create 'path/to/repo/.git/index.lock': Fi...