UAC Dimming desktop logs me out

I noticed that when the UAC option to dim the desktop is set, I get logged out (browser extension). This is the third option in UAC, and I believe the default. When I select option 2, which does the same except no dimming of the desktop, I stay logged in.

Windows 10 x64 Pro, ver 1809

What version of Windows are you using?

Windows 10 x64 Pro, ver 1809