Checklists for software errors, setup, and tool workflows.

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Latest checklists

When you run git push and see ! [rejected] with non fast-forward<...

Fix Windows Update Error 0x80070002 on Windows 10
When Windows Update fails with error 0x80070002, it usually means the system can't find the u...

Fix Python venv Not Activating in VS Code Terminal
When you create a Python virtual environment but it doesn't activate in the VS Code terminal,...

Fix pip Error: Externally Managed Environment
If you're on a modern Linux distribution (like Debian 12, Ubuntu 23.04+, Fedora, or Arch) and...

Fix 'pip install' Permission Denied on Ubuntu
When you run pip install somepackage on Ubuntu and see a Permission denied

VS Code Git Not Detecting Changes: Step-by-Step Fix
You've edited files in VS Code, but the Source Control panel shows no changes. The git icon m...