Checklists for software errors, setup, and tool workflows.

Jupyter Kernel Not Starting: Quick Fixes

You open a notebook, try to run a cell, and the kernel dies or never connects. This is a common J...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Fix VSCode Python Interpreter Not Found on Mac

When you open Visual Studio Code on macOS and see “No interpreter selected” or “Python interprete...

How to Fix Microsoft Teams File Locked Error

When working in Microsoft Teams, you might see a message that a file is locked or in use. This us...

How to Fix 'File Locked by Chrome' Error

You try to move, rename, or delete a file, but Windows tells you it's locked by Chrome. This usua...

Fix 'Chrome Profile Module Not Found' and Delete Profile

When you see the error 'Chrome profile module not found' while starting Google Chrome, it usually...