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

Fix Microsoft Teams Token Expired Authentication Failed Error

You're signed into Microsoft Teams and suddenly get a message saying your token has expired or au...

OBS Virtual Camera Black Screen: How to Fix

If you see a black screen when using OBS Studio’s virtual camera in Zoom, Teams, or other apps, t...

Fix 'Service Not Found' Error for Task Scheduler on Ubuntu

MySQL Connection Refused on Port 3306: Causes and Fixes

If you're seeing "connection refused" when trying to connect to MySQL on port 3306, the MySQL ser...

Task Scheduler Not Triggering on Time: Fixes and Checks

You set a task in Windows Task Scheduler to run at a specific time, but it either doesn't run or ...