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

Configure Proxy Settings in Windows Terminal

If you use Windows Terminal behind a corporate proxy or a local proxy tool, you may notice that s...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Windows Defender Antivirus Permission Denied Error

You try to start Windows Defender Antivirus and get a “permission denied” error. This typically h...

Fix Windows Security Invalid Configuration Error Without Reinstalling

You open Windows Security and see the message: "Invalid configuration" or "Something went wrong. ...

Troubleshoot 504 Gateway Timeout in Windows Security App

When you open Windows Security (formerly Windows Defender Security Center) and see a 504 ...