Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you're seeing error: externally-managed-environment when trying to pip ...

Node.js Heap Out of Memory in Production: Practical Fixes
You're running a Node.js application in production when it crashes with FATAL ERROR: In...

How to Fix Git Detached HEAD in IntelliJ IDEA
If you see a message like “You are in ‘detached HEAD’ state” in IntelliJ IDEA, it means your work...

Fix Windows Search Index Exclude Folder Not Working
If you've added a folder to the exclusion list in Windows Search indexing options but files f...

Fix 'Externally Managed Environment' Error in pip
If you see error: externally-managed-environment when running pip on Linux, it means...

Fix Windows 11 Installation Assistant Stuck at 99%
You're running the Windows 11 Installation Assistant, it reaches 99%, and then sits there. No...