Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

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Latest checklists

If Git operations suddenly fail with an error like fatal: Unable to create 'path/.git/i...

Fix Git Stash Error: index.lock File Exists
You run git stash and see: fatal: Unable to create 'path/.git/index.lock&#...

Fix VSCode Source Control Not Detecting Changes
You're working in Visual Studio Code, you edit a file, but the Source Control view shows no c...

Fix Docker Desktop Engine Not Running on Windows
You open Docker Desktop on Windows, see the whale icon stuck in the system tray, and the engine s...

How to Set Python Path in Windows 10
If you've installed Python on Windows 10 but get 'python' is not recognized

Fix Git 'index.lock file exists' Error
If you see fatal: Unable to create 'path/.git/index.lock': File exists. when...