Checklists for software errors, setup, and tool workflows.

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Latest checklists

You start a Docker container on your Mac, and it stops within seconds. The container exits immedi...

You run docker-compose up and see an error like "Error starting userland pro...

Fix npm run build Exit Code 1: Common Causes and Solutions
When you run npm run build and see "exit code 1", it means the build script ...

Fix Git 'index.lock' File Exists Error in SourceTree
If you use SourceTree and see an error message like fatal: Unable to create 'path/to/.g...

Fix VSCode Git Authentication Failed SSH Key Error You try to push or pull in VSCode and get Git: authentication failed even though you...

How to Restore Missing Windows Taskbar Icons You open Windows and notice some taskbar icons are gone—maybe the volume, network, or battery ico...