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

Fix Microsoft Store Connection Refused by Firewall

If you see "connection refused" when opening Microsoft Store, your firewall or network settings a...

Windows Security Update Checklist Before Installing

Before you click "Install" on that Windows security update, a few minutes of preparation can save...

Fix Windows Defender DNS Error After Update

After a Windows Update, you might see a Windows Defender error related to DNS—often something lik...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

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

Fix Missing Windows Security Real-Time Protection Toggle

You open Windows Security to check real-time protection and find the toggle is gone. This can hap...

Fixing Microsoft Teams Camera Error 0x1f

When you try to start a video call in Microsoft Teams and see error code 0x1f, the camera either ...