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I have the same issue when using VMSVGA with 3D acceleration enabled. The graphical mode of the OS (Ubuntu 18.04 LTS with latest updates) does not load at all when booting. Checking dmesg output I see a bunch of error messages near end of output in dmesg output, uninstalling video driver and updatin...

I modified /etc/X11/Xsession.d/56xubuntu-session while using root (super-user) account (e.g by using program named sudo, which runs programs as root as long you're in group named sudo) to permanently add the environment variable to the system for xfce (xubuntu session). Also you can test this by run...

VirtualBox 6.0 installed from official repository on Ubuntu Regrettably, the official repositories are forks of Virtualbox, with possible changes introduced, so the Virtualbox forums don't support the Linux distro repositories' copies of Virtualbox. You would need to uninstall the repository versio...

Hello, While running VirtualBox 6.0 installed from official repository on Ubuntu 18.04 with Xfce desktop, the scaling of UI elements (menu, buttons, status bar, etc.) is too large and some dialogs are almost unusable. Setting Qt scaling factor to 1 (QT_SCALE_FACTOR=1) doesn't help, also after settin...