Checklists for software errors, setup, and tool workflows.

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Latest checklists

You're in the middle of a Git operation—commit, merge, or rebase—and Git stops with: fa...

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

Windows 11 Update Stuck at 0%: Registry Fix Guide
You click 'Check for updates' and see the progress bar stuck at 0% for minutes or hours. ...

Fix 'Python' Command Not Found After Reinstall on Windows
You reinstalled Python on Windows, but when you type python in Command Prompt, you g...

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 ...

Fix Git 'index.lock' Error in VS Code
If you see the error 'fatal: Unable to create 'path/.git/index.lock': File exists'...