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

How to Fix Windows Update Stuck on Loading Black Screen

You start your PC, see the Windows logo, then it goes black with a spinning circle that never end...

Windows Terminal Installation Guide Step by Step

Windows Terminal is a modern, tabbed terminal application for Windows 10 and 11. This guide walks...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

If Outlook (via web browser, Evolution,...

Microsoft Teams Token Expired Troubleshooting Checklist

If you see an error like "Your token has expired" or "Authentication needed" in Microsoft Teams, ...

Remote Desktop 404 Not Found: Admin Checklist

When you get a "404 Not Found" error trying to connect to a remote desktop, it usually means the ...

Fix Microsoft Teams Screen Sharing Not Working

You start a meeting, click Share, and nothing happens—or attendees see a black screen. This is a ...