I found that once agreeing to the option (for example, the community reviews) You cannot change it after setup. All settings (especially community oriented ones) should always be readily accessible in the settings. For some it is a privacy thing,...
If a user runs an update, then hides the window, and then right clicks the tray icon and selects "Security Status", the program will simply un-hide the window, leaving you looking at the update screen. This is the only option it does it on....
When the pointer changes to a crosshair, if the poster background is black, you cannot see the pointer and therefore cannot see what you are pointing at.
-Robert