Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you're seeing a build error like Module build failed: Error: Node Sass does not yet ...

Fix 'nginx cannot read file permission denied' Error
When Nginx returns a 403 Forbidden or logs "permission denied" for a static file, it'...

Fix 'Permission Denied' in VS Code Terminal on Mac
You're working in VS Code on a Mac, and when you try to run a command in the integrated termi...

VS Code Git Changes Not Detected After Save: Fixes
You save a file in VS Code, but the Source Control panel shows no changes. The file doesn't a...

Fix Git LFS Authentication Failed on Push
You try to push a repository with Git LFS objects and get an error like Authentication fail...

Fix Git index.lock File Exists Permission Denied Error
You're in the middle of a Git operation and suddenly you see:
fatal: Unable to ...