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

Microsoft Teams 502 Bad Gateway Error: Troubleshooting Checklist

When you see a 502 Bad Gateway error in Microsoft Teams, it usually means the server received an ...

How to Fix Microsoft Teams Rate Limit Error

If you're seeing a "rate limit error" in Microsoft Teams, it usually means you or an automated to...

Systemd Service Setup Checklist for Beginners

You've written a script and want it to run as a background service. Systemd is the modern way to ...

Fix High CPU Usage by Antivirus Scanning PowerShell

If you notice that PowerShell (powershell.exe or pwsh.exe) is using high CPU, and you have an ant...

Fixing Microsoft Teams Rate Limit Error When Sending Messages

Fix Port Already Allocated for Task Scheduler Service

You try to start a service using Task Scheduler, but get an error that the port is already alloca...