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

Setup Environment Variables to Fix Command Not Found

You type a command you know is installed, but the shell replies: command not found. ...

Fix PowerShell 502 Bad Gateway Certificate Errors

When you run a PowerShell script that makes an HTTPS request, you might see a 502 Bad Gateway err...

Fix Windows Defender Error 0x80073b01

If you see error code 0x80073b01 when opening Windows Defender or trying to run a scan, it usuall...

Fix Windows Credential Manager Login Loop

You log in to Windows, and immediately get a prompt to enter your Microsoft account password or P...

How to Fix 'Remote Desktop Command Not Found' Error

Fix Microsoft Teams Offline Installer Not Launching

You've downloaded the Microsoft Teams offline installer but double-clicking it does nothing—or ma...