*** This bug is a duplicate of bug 724867 *** https://bugs.launchpad.net/bugs/724867
>From bug 724867: https://bugs.launchpad.net/ubuntu/+source/qt4-x11/+bug/724867 ... Virtualbox works only after downgrade libqt4-opengl package. ... 4:4.7.1-0ubuntu10 is accidentally built with egl support. ... For me it worked downgrading to these 3 packages: libqt4-opengl_4.7.1-0ubuntu9_amd64.deb libqtcore4_4.7.1-0ubuntu9_amd64.deb libqtgui4_4.7.1-0ubuntu9_amd64.deb that can be found in the pool/main/q/qt4-x11/ subdirectory of the mirrors. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/725096 Title: virtualbox failed to run: VirtualBox: supR3HardenedMainGetTrustedMain: dlopen("/usr/lib/virtualbox/VirtualBox.so",) failed: /usr/lib/virtualbox/VirtualBox.so: undefined symbol: _ZN10QGLContext9tryVisualERK9QGLFormati -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs