Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When you run npm install or a build script and see an error like Node Sass doe...

Fix npm run build Failed with PostCSS Error
You run npm run build and see a PostCSS error. This often happens after updating pac...

Fixing VSCode IntelliSense Not Working for Go
You open a Go project in VSCode, start typing, and get no autocompletions, no hover info, no erro...

Fix npm install Permission Denied When Using nvm
If you see 'EACCES: permission denied' when running npm install while using ...

Fix pip Externally Managed Environment Error on Linux
If you're seeing error: externally-managed-environment when trying to pip ...

Fix Windows 11 Installation Assistant Stuck at 99%
You're upgrading to Windows 11 using the Installation Assistant, and it gets stuck at 99% for...