Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When you run npm install and get an error about an incompatible Node.js version, it ...

You try to push your local commits to a remote Git repository, but Git refuses with: ! [rej...

Fix Node Sass Build Failure by Upgrading Node Version
If you're seeing a build error like Module build failed: Error: Node Sass does not yet ...

Fix ERR_CERT_AUTHORITY_INVALID in Chrome Incognito Mode
You open Chrome incognito and hit a warning: NET::ERR_CERT_AUTHORITY_INVALID. Th...

Fix VS Code Permission Denied When Not Admin
You try to save a file or install an extension in VS Code, and get a "permission denied" ...

Fix 'pip install externally managed environment' Error
If you're seeing pip install fail with a message about an externally managed env...