Checklists for software errors, setup, and tool workflows.

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix 'Service Unavailable' for PowerShell on Windows 10

You open PowerShell on Windows 10 and see an error like "Service Unavailable" or "PowerShell is n...

How to Fix Windows Defender Service Won't Start

When Windows Defender won't start, you'll likely see an error like "The service did not respond t...

Outlook Connection Refused: Step-by-Step Troubleshooting Checklist

When Outlook shows a 'connection refused' error, it usually means something on your network or co...

Windows Terminal Network Error: Not Connecting – Fixes

You launch Windows Terminal, type a command that needs network access, and get an error: "Network...

Fix Jupyter Notebook Token Not Working in VS Code

You enter your Jupyter notebook token in VS Code, but it fails to connect. The server log shows a...