$Date: 2015-06-18 18:15:51 +0000 (Thu, 18 Jun 2015) $ VBoxManage-extpack 1 VBoxManage-extpack extension package management Oracle VM VirtualBox VBoxManage extpack install --replace tarball VBoxManage extpack uninstall --force name VBoxManage extpack cleanup Installs a new extension pack on the system. This command will fail if an older version of the same extension pack is already installed. The --replace option can be used to uninstall any old package before the new one is installed. --replaceUninstall existing extension pack version. tarball The file containing the extension pack to be installed. Uninstalls an extension pack from the system. The subcommand will also succeed in the case where the specified extension pack is not present on the system. You can use VBoxManage list extpacks to show the names of the extension packs which are currently installed. --force Overrides most refusals to uninstall an extension pack name The name of the extension pack to be uninstalled. Used to remove temporary files and directories that may have been left behind if a previous install or uninstall command failed. How to list extension packs: $ VBoxManage list extpacks Extension Packs: 1 Pack no. 0: Oracle VM VirtualBox Extension Pack Version: 4.1.12 Revision: 77218 Edition: Description: USB 2.0 Host Controller, VirtualBox RDP, PXE ROM with E1000 support. VRDE Module: VBoxVRDP Usable: true Why unusable: How to remove an extension pack: $ VBoxManage extpack uninstall "Oracle VM VirtualBox Extension Pack" 0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100% Successfully uninstalled "Oracle VM VirtualBox Extension Pack".