Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you're hitting a MemoryError in Python while reading or processing a large fi...

You ran Windows Memory Diagnostic after a blue screen, and now you're stuck in a loop or seei...

You've created a Python virtual environment on Ubuntu, but when you run source venv/bin...

Fix npm install Permission Denied in Home Directory
If you see EACCES: permission denied or similar errors when running npm instal...

Windows 11 Update Stuck at 0%: Manual Download Fix
You click 'Check for updates' in Windows 11, and it hangs at 0% for minutes or hours. Res...

Fix Node Sass Build Failure After npm Cache Clean
If you've run npm cache clean --force and now see a build failure related to