Checklists for software errors, setup, and tool workflows.

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Docker Container Exits Immediately: No Error, Common Fixes

You run docker run and the container starts, then exits within a second. No error me...

Docker Compose Environment Variable from Shell Not Working: Fixes

You set an environment variable in your shell, but Docker Compose ignores it. This is a common pi...

VSCode Terminal Not Opening After Extension Install: Fix

You install a new extension in Visual Studio Code, restart or reload, and then the terminal panel...

Windows Security App Not Opening as Administrator: Fixes

When you try to open the Windows Security app and it fails to launch, often with no error message...

Python Virtual Environment Not Activating on Ubuntu: Fixes

You've created a Python virtual environment on Ubuntu, but when you run source venv/bin...

Fix 'Windows Cannot Access Shared Folder' Samba Error
You try to open a shared folder from a Linux Samba server on a Windows machine and get: 'Wind...