On Wed, 2014-09-03 at 14:10 +0200, Peter Bauer wrote: > However now I receive crashes of my VM when attaching/detaching USB > devices to my VM often. Guess I have to live with that. Downgrading solved all my USB issues with the XP guest. I experienced VBox to crash, when disconnecting USB, only for the updated version. I could avoid the crashes, by un-checking the USB device in VBox's device menu, before unplugging it.