Hey Chopstick,

In my search of solutions to the almost the same issue than you for the U1, I found a nice little app from Karin on this same forum.
https://bitcointalk.org/index.php?topic=214268.msg2755592#msg2755592
It allows to activate or deactivate those drivers without needing to uninstall or reinstall them.
It's working for me for now on...