Checklists for software errors, setup, and tool workflows.

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Latest checklists

You try to install a Python package with pip, and get an error like error: externally-manag...

Fix 'pip install externally managed environment' Error
If you're seeing pip install fail with a message about an externally managed env...

Fix Git index.lock File Exists Permission Denied Error
You're in the middle of a Git operation and suddenly you see:
fatal: Unable to ...

How to Reset Bluetooth in Windows 11
Bluetooth problems in Windows 11 often show up as devices not pairing, intermittent disconnects, ...

How to Remove the Externally Managed Environment Flag in pip
If you're seeing error: externally-managed-environment when using pip on a moder...

Python Virtual Environment Not Activating in Git Bash: Fixes
You're in Git Bash on Windows, you run source venv/Scripts/activate, and nothing...