I have install Virtualbox 4.0.4-OSE on my Ubuntu 11.04. I want to install the guest additions of Virtualbox. but I've gotten this error:

 Failed to open the CD/DVD image /home/bigbang/.VirtualBox/VBoxGuestAdditions_4.0.4.iso.
 The medium '/home/bigbang/.VirtualBox/VBoxGuestAdditions_4.0.4.iso' can't be used as the requested device type.

The step I do for install it is:

Devices > Install Guest Additions , then click yes to download the required .iso file from the internet and then click mount button after the file is downloaded and then it gives me the error.

Edited: My host is Ubuntu and the guest os is XP.

  • My host is Ubuntu and the guest os is XP.
    – hd.
    Jan 27, 2012 at 14:47
  • Add that to the question it self please, use the edit button bellow it. Jan 27, 2012 at 14:49

1 Answer 1


To mount and use guest additions you first have to make sure virtualbox-guest-additions is installed and ready to use. Pop into terminal and type:

sudo apt-get install virtualbox-guest-additions

For recent versions of ubuntu (e.g. 13.10), its

sudo apt-get install virtualbox-guest-additions-iso

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.