Checklists for software errors, setup, and tool workflows.

Jupyter Kernel Dead: Common Causes and Fixes

You're working in a Jupyter notebook, and suddenly the kernel dies. The notebook becomes unrespon...

Fix Git Clone Permission Denied (publickey) on Bitbucket

You try to clone a Bitbucket repository and see:

Permission denied (publickey).
fatal: Co...

How to Fix Microsoft Store 502 Bad Gateway on Windows 11

If you see a '502 Bad Gateway' error when opening Microsoft Store on Windows 11, the store can't ...

Fix OneDrive File Locked by System Process

You try to edit or delete a file in OneDrive, but Windows reports it's locked by a system process...

How to Fix Command Prompt Update Error on Windows 10

When updating Windows 10, you might see an error in Command Prompt like "0x800f0988" or "The upda...

Fixing 'docker compose build --no-cache' Not Working

You run docker compose build --no-cache expecting a fresh rebuild, but the container...