Checklists for software errors, setup, and tool workflows.

Fix Windows Terminal Profile Not Saving Ubuntu Settings

You set up a custom profile for Ubuntu in Windows Terminal, change the icon, font, or starting di...

Jupyter Kernel Not Starting After Update: Fixes

After updating Jupyter or its dependencies, you might see the kernel die immediately or hang with...

Fix Windows Activation Login Loop by Booting into Safe Mode

You restart your Windows PC, log in, and instead of seeing your desktop, you're thrown back to th...

How to Fix Windows Defender Real-Time Protection Stuck

Windows Defender’s real-time protection sometimes gets stuck—either refusing to turn on after bei...

How to Fix GitHub Actions Permission Denied Errors

If you see a "permission denied" error in a GitHub Actions workflow run, it usually means the wor...

Fix Docker Build Error: 'failed to solve: manifest not found'

You run docker build and get an error like:

failed to solve: error fetching ...