i've noticed the same problem with an older version of the nvidia driver (version 173).
good news: updated virtualbox to 3.0.8 and the problem seems resolved, no more transparent screen -- qt4 applications have transparent screen inside https://bugs.launchpad.net/bugs/404287 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
