Checklists for software errors, setup, and tool workflows.

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Fix Nginx Upstream Connection Refused Socket Error

When Nginx returns a 502 Bad Gateway or logs upstream connection refused

Fixing Python Dependency Conflicts with Incompatible Versions
You're working on a Python project, and after installing a new package, you get errors like <...

Fix Permission Denied When Running Script in VS Code Terminal
You try to run a script in the VS Code integrated terminal and see 'permission denied'. T...

Fix Git Authentication Failed in VS Code on Mac
If you see "Git authentication failed" when pushing or pulling in VS Code on a Mac, the p...

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

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix Nginx Upstream Connection Refused Socket Error

Fixing Python Dependency Conflicts with Incompatible Versions

Fix Permission Denied When Running Script in VS Code Terminal

Fix Git Authentication Failed in VS Code on Mac

Fix Windows 11 Installation Assistant Stuck at 99%

Fix 'Python' Command Not Found After Reinstall on Windows

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