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

Fix Remote Desktop 502 Bad Gateway on Windows 10

If you're seeing a '502 Bad Gateway' error when trying to connect to a remote desktop on Windows ...

Fixing Microsoft Teams Authentication Failed for Guest Users

When a guest user sees 'Authentication failed' in Microsoft Teams, they cannot sign in or access ...

Fix Windows Security Service Error 0x80070422

You attempt to open Windows Security and get an error: "The service did not respond to the start ...

How to Fix PowerShell Version Mismatch Error

Windows Security Not Opening? Fix It Here

If Windows Security won't open—clicking the icon or searching for it does nothing—you're not alon...

Fixing Microsoft Teams Invalid Configuration Setup Errors

You open Microsoft Teams and see an error about invalid configuration setup. This usually means T...