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

Fix Windows Defender Error 502 Bad Gateway

You open Windows Security and see 'Error 502 – Bad Gateway.' This usually means Windows Defender ...

Fix Microsoft Teams Not Connecting to Audio Device

You join a meeting in Microsoft Teams, but the app shows 'No audio device detected' or your micro...

Fix Windows Update 404 Not Found Error on Windows 11

If you see a "404 Not Found" error when running Windows Update on Windows 11, it usually means th...

How to Rebuild the Windows Search Index Step by Step

If Windows Search returns no results, shows outdated files, or takes too long, the search index m...

Remote Desktop Clipboard Not Working: Practical Fixes

You're remoting into a Windows machine and try to copy-paste text or files, but nothing transfers...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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