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

Fix Windows Search Returning 404 Not Found in Command Prompt

If you see a "404 Not Found" error when using Windows Search from the Command Prompt, it usually ...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Fix Microsoft Teams 502 Bad Gateway Due to Network Config

You open Microsoft Teams and see a 502 Bad Gateway error. This usually means you...

Windows Activation Authentication Failed: Troubleshoot Checklist

When Windows reports 'Activation authentication failed,' it usually means the system couldn't ver...

How to Fix Command Prompt Stuck on Loading Screen

You open Command Prompt, but instead of the usual prompt, you see a blank window or a loading cur...

Windows Defender and Ubuntu: Troubleshooting Checklist

If you're running Ubuntu through WSL or in a dual-boot configuration, Windows Defender can someti...