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

Windows Security Not Found in Settings: How to Fix

You open Windows Security from Settings, but instead of the dashboard you get a blank page or an ...

How to Fix Remote Desktop 404 Not Found in Windows 10

When you try to connect to a remote PC using Remote Desktop (RDP) and see a '404 Not Found' error...

Fix Docker Daemon Not Running on Ubuntu 20.04

If you see an error like "Cannot connect to the Docker daemon" or "docker: 'daemon' is not a dock...

Fix Microsoft Store 502 Bad Gateway by Clearing Cache

You open Microsoft Store and see a 502 Bad Gateway error. This usually means the...

Fix Microsoft Teams Version Mismatch Update Required Error

Understanding the Error

When you see 'version mismatch update required' in Microsoft Team...

How to Fix OBS Virtual Camera Not Showing Up

You've installed OBS Studio, set up your scenes, and want to use the virtual camera in Zoom, Disc...