No, that's not it. I am (unfortunately) well acquainted through experience with what happens when Explorer dies and is regenerated. That's not happening here; this is the same instance of Explorer ...

I don't know know what this "remote desktop sharing" is, but a lot of system tray programs work well as services. Use Firedaemon w/it's GUI to make a service for those programs you want to hide, and ...

A new update to Google Quick Share now allows changing visibility settings from the Windows system tray icon for easier file sharing. The update also includes new animations and several bug fixes, ...