Checklists for software errors, setup, and tool workflows.

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Latest checklists

You're processing a large text file in Python, and suddenly you hit a MemoryError

Docker Compose Port Already Allocated: Checklist
You run docker-compose up and get an error like Error starting userland proxy:...

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

Fix Edge Sync Not Working After Update
After a browser update, you might find that bookmarks, passwords, or other settings no longer syn...

Python Virtual Environment Not Activating on Mac: Fixes
You open Terminal, run source venv/bin/activate, and nothing happens—or you get an e...

Fix pip install: Dependency Conflict and Permission Denied
When you run pip install and see messages about dependency conflicts or permission d...