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

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...

Check PowerShell Version Before Running Scripts

You wrote a PowerShell script or downloaded one from a repository. You run it, and it fails with ...

Fix Command Prompt DNS Lookup Failed Error 0x80072ee7

Fix Microsoft Teams Microphone Not Detected in Settings

When Microsoft Teams doesn't detect your microphone in settings, you may see a red X or a message...

How to Set Up Windows Security Proxy Settings

If you've noticed that Windows Security isn't updating or connecting to the cloud for threat defi...

Fix Microsoft Teams Modern Authentication Failure

When Microsoft Teams shows 'We couldn't sign you in' or 'unable to authenticate with modern authe...