And that the desktops are securable objects[1], so processes in the default desktop can't snoop on what's going on in the winlogon desktop say when the UAC prompt is shown.

[1]: https://learn.microsoft.com/en-us/windows/win32/winstation/d...

And 50% of the times, the background fails to load and I have to double check. At first I thought it may be my specfic hardware combo but no.