I try this, but it dont work: $ virtualbox VirtualBox: supR3HardenedMainGetTrustedMain: dlopen("/usr/lib/virtualbox/VirtualBox.so",) failed: /usr/lib/virtualbox/VirtualBox.so: undefined symbol: _ZN10QGLContext9tryVisualERK9QGLFormati
$ sudo /etc/init.d/vboxdrv setup [sudo] password for shakaran: * Stopping VirtualBox kernel modules [ OK ] * Uninstalling old VirtualBox DKMS kernel modules Error! There are no instances of module: vboxhost 4.0.4 located in the DKMS tree. [ OK ] * Removing old VirtualBox netadp kernel module [ OK ] * Removing old VirtualBox kernel module [ OK ] * Trying to register the VirtualBox kernel modules using DKMS [ OK ] * Starting VirtualBox kernel modules [ OK ] $ virtualbox VirtualBox: supR3HardenedMainGetTrustedMain: dlopen("/usr/lib/virtualbox/VirtualBox.so",) failed: /usr/lib/virtualbox/VirtualBox.so: undefined symbol: _ZN10QGLContext9tryVisualERK9QGLFormati Then I try to downgrade the package: sudo aptitude install libqt4-core=4:4.7.0-0ubuntu4 But it dont work too, because the package it is on maverick (I don't know how to downgrade then) -- You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to qt4-x11 in ubuntu. https://bugs.launchpad.net/bugs/724867 Title: current qtopengl breaks virtualbox -- kubuntu-bugs mailing list kubuntu-b...@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs