Knowledge base for software setup, errors, and daily tool work.

Windows Security Firewall Configuration Checklist

If you've ever enabled the Windows Firewall and suddenly lost access to a shared printer or could...

Fix Microsoft Teams Offline Installer Not Working

You downloaded the Microsoft Teams offline installer but it fails to run, hangs, or throws an err...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

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

How to Fix GitHub Actions Permission Denied (publickey) Error

You're running a GitHub Actions workflow and see Permission denied (publickey) when ...

How to Temporarily Turn Off Windows Security for Troubleshooting

If you're troubleshooting a stubborn app or driver issue, Windows Security (formerly Defender) mi...

Fix Windows Security DNS Error Not Working

If Windows Security shows a DNS error or stops working, it's often due to network configuration, ...