Hello,
The hamachi window doen't show up, the hamachi icon stay in the system tray. I have the same problem on windows 10, windows 7. And I tested on multiple computers. I tried to uninstall, and reinstall.
It's incredible !
Here is the problem in video:
https://www.dropbox.com/s/mafhe9ng1bm0qp7/Hamachi_Window_Not_Showing.mov?dl=0