
Now you should download the VirtualBox extension package according to your VirtualBox version. Download Above Version Related Virtualbox Extension Pack.
In this example, my VirtualBox version is 5.2.28. You can find the VirtualBox version at the bottom right of the dialog.
Click Help -> About VirtualBox… menu item at the top menu bar, then it will popup the VirtualBox – About dialog. Start VirtualBox, do not need to start the virtual machine. Ubuntu 10.The main reason for failing to install the VirtualBox extension is because you choose the wrong version of the extension package, so before you install the VirtualBox extension pack, you should get your VirtualBox version at first by following the below steps. Red Hat Enterprise Linux 4 ("RHEL4") / Oracle Linux 4 ("OL4") / CentOS 4 i386. Red Hat Enterprise Linux 5 ("RHEL5") / Oracle Linux 5 ("OL5") / CentOS 5 i386 | AMD64. Red Hat Enterprise Linux 6 ("RHEL6") / Oracle Linux 6 ("OL6") i386 | AMD64. Therefore the original 4.1.22 build was replaced by a 4.1.23 build. Note: The Mac OS X 10.8.2 release includes some incompatible changes which require adaptions in VirtualBox. Oracle Linux 4 ("OL4") / Red Hat Enterprise Linux 4 ("RHEL4") / CentOS 4 i386. Oracle Linux 5 ("OL5") / Red Hat Enterprise Linux 5 ("RHEL5") / CentOS 5 i386 | AMD64. Oracle Linux 6 ("OL6") / Red Hat Enterprise Linux 6 ("RHEL6") / CentOS 6 i386 | AMD64. Fedora 17 ("Beefy Miracle") i386 | AMD64. SUSE Linux Enterprise Server 10 (SLES10) i386 | AMD64.
SUSE Linux Enterprise Server 11 (SLES11) i386 | AMD64.Solaris and OpenSolaris hosts x86/AMD64.By downloading, you agree to the terms and conditions of the respective license. All other binaries are released under the terms of the GPL version 2.
The Extension Packs in this section are released under the VirtualBox Personal Use and Evaluation License. Download VirtualBox (Old Builds): VirtualBox 4.1