virtualbox.org

Recently I too had this problem after getting a new computer, and with the help from a friend, it turned out the problem boils down to a rather tiny omission on the part of AMD/ATI graphics drivers, and it can be fixed with a simple Windows registry alteration presented below (copied from here ): Wi...

I have trouble installing the extension pack: Failed to install the Extension Pack C:/2/Oracle_VM_VirtualBox_Extension_Pack-4.1.10-76795.vbox-extpack. The installer failed with exit code 1: VBoxExtPackHelperApp.exe: error: Failed to rename the temporary directory to the final one: VERR_ACCESS_DENIED...

Well, today I have installed the OS using current daily image, and have used the default system chipset as well as virtual guest additions provided by Ubuntu itself. Everything works now. Initially I selected Intel HD Audio and this option produced no sound, later I have changed it ICH 97 and audio ...

Host: Windows 7 64bit, Core i5 Sandy, 8Gb RAM Guest: Ubuntu 12.04, 1 Core, VT-X, PAE/NX & nested paging enabled, 1Gb RAM, 64Mb Video (3D enabled), ICH9, Intel HD Audio Installed guest additions that come with VirtulBox. No sound, though I think that before I installed these additions it may hav...