VirtualBox Extension Pack رو می تونید از این لینک مستقیم دانلود کنید:
http://download.virtualbox.org/virtualbox/4.0.8/Oracle_VM_VirtualBox_Extension_Pack-4.0.8-71778.vbox-extpack (http://download.virtualbox.org/virtualbox/4.0.8/Oracle_VM_VirtualBox_Extension_Pack-4.0.8-71778.vbox-extpack)
و بعد از طریق این راهنما می تونید usb2 رو فعال کنید:
http://kakym.wordpress.com/2011/05/19/virtualbox-usb-ubuntu-11-04-virtualbox-4-04/
اینو گفته ;)
VirtualBox USB [Ubuntu 11.04 - VirtualBox 4.04]
May 19, 2011 by KenZel
The following instructions achieved a fully working USB in both Ubuntu 11.04 and VirtualBox Windows XP.
HOST OS [Ubuntu 11.04]
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System Settings
Users and Groups
In User Settings: Select “Manage Groups”
In Groups Settings: Select vboxusers
Select “Properties” and add tick against your user name in group members
Click OK and authenticate
VirtualBox [4.04]
In VirtualBox Manager select USB. In USB Settings ensure “Enable USB Controller” is ticked and select “Add Filter From Device”. Tick box relating to the appropriate USB Mass Storage Device [Do not tick USB keyboards / mouse / etc.]. Click OK and exit out of VirtualBox Manager.
Reboot computer and start Virtual machine
GUEST OS [Windows XP]
=====================
Whilst in the guest operating system click the VirtualBox Devices menu then USB Devices and select the appropriate USB device which in my case was described as “Generic Flash Disk”. Ensure a tick is placed against this device. Windows then installs the necessary drivers and the USB is available for file operations.