Apparently, though unproven, at 02:23 on Saturday 15 January 2011, john did opine thusly:
> Any one having issues with version 4 of VirtualBox. > > Mouse integration does not work any more. I can no longer use mouse > within VirtualBox. > > I have disabled/enabled mosue integration. Mouse integration works fine here. I didn't have to do anything when migrating from 3. What definitely is broken is the Settings button above the list of virtual machines - it makes VB segfault. I must click the section headings on the right pane to make config changes to my guests -- alan dot mckinnon at gmail dot com