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

Windows Security 404 Not Found: Setup and Fix Guide

When you open Windows Security (formerly Windows Defender) and see a blank page or a '404 Not Fou...

How to Fix 504 Timeout Errors in Microsoft Teams

If you're seeing a 504 Gateway Timeout error in Microsoft Teams, it usually means the app can't r...

Enable Windows Search Indexing When Paused

You open Search or indexing options and see 'Indexing paused' with no obvious way to resume. This...

How to Enable Windows Defender Service Manually

If Windows Defender won't start or you see warnings that it's turned off, the underlying service ...

Windows Terminal Serial Port Connection Setup Guide

If you need to connect to a serial device—like a router, switch, or microcontroller—from Windows ...

Fix WSL Ubuntu Internet Not Working After Windows Restart