Checklists for software errors, setup, and tool workflows.

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

When you see 'Extension host terminated unexpectedly with erro...

WSL Ubuntu Network Configuration Checklist

If you're running Ubuntu under WSL and network connections are failing—slow DNS lookups, no inter...

Outlook DNS Error Checklist – Common Causes & Fixes

When Outlook can't connect to your mail server and shows a DNS error, it usually means the app ca...

How to Repair Windows Update Using System File Checker

If Windows Update fails with errors like 0x80070002 or 0x800736B3, corrupted system files are oft...

Windows Defender Troubleshooting Guide for IT Admins

Windows Defender (Microsoft Defender Antivirus) is the default endpoint protection in Windows 10 ...

Jupyter Kernel Not Starting in VS Code: Quick Fixes

You open a Jupyter notebook in VS Code, try to run a cell, and the kernel either hangs on "Starti...