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

Fix Windows Update Clean Up Tool Not Working

You run Disk Cleanup, check "Windows Update Cleanup", but nothing happens—or the option is missin...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

How to Fix Outlook Network Error During Exchange Server Setup

When setting up Outlook with an Exchange Server, a network error can stop the process cold. You m...

Fix Windows Activation Version Mismatch via Command Prompt

If you see an error like "The version of Windows you are trying to activate does not match the pr...

Fix Microsoft Teams Authentication Failed Due to Proxy

If you see 'Authentication failed' when launching Microsoft Teams and you're behind a corporate p...

Fix Microsoft Teams Cache Issues After an Update

After a Microsoft Teams update, you might see persistent login loops, blank screens, slow loading...