[Jaunty] Installing virtualbox-ose-guest-utils removes many xorg packages

[mous16]

Binary package hint: virtualbox-ose-guest-utils

On an up-to-date virtualised Ubuntu Jaunty, I have correctly installed the package virtualbox-ose-guest-source, but when i try to install virtualbox-ose-guest-utils these are the results:

mous16@IFRIT-VIRTUAL:~$ sudo apt-get install virtualbox-ose-guest-utils t
Display all 1063 possibilities? (y or n)
mous16@IFRIT-VIRTUAL:~$ sudo apt-get install virtualbox-ose-guest-utils
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be REMOVED:
  ubuntu-desktop xorg xserver-xorg xserver-xorg-core xserver-xorg-input-evdev
  xserver-xorg-video-all xserver-xorg-video-apm xserver-xorg-video-ark
  xserver-xorg-video-ati xserver-xorg-video-chips xserver-xorg-video-cirrus
  xserver-xorg-video-fbdev xserver-xorg-video-geode xserver-xorg-video-i128
  xserver-xorg-video-i740 xserver-xorg-video-intel xserver-xorg-video-mach64
  xserver-xorg-video-mga xserver-xorg-video-neomagic xserver-xorg-video-nv
  xserver-xorg-video-openchrome xserver-xorg-video-r128
  xserver-xorg-video-radeon xserver-xorg-video-rendition xserver-xorg-video-s3
  xserver-xorg-video-s3virge xserver-xorg-video-savage
  xserver-xorg-video-siliconmotion xserver-xorg-video-sis
  xserver-xorg-video-sisusb xserver-xorg-video-tdfx xserver-xorg-video-trident
  xserver-xorg-video-tseng xserver-xorg-video-v4l xserver-xorg-video-vesa
  xserver-xorg-video-vmware xserver-xorg-video-voodoo
The following NEW packages will be installed:
  virtualbox-ose-guest-utils
0 upgraded, 1 newly installed, 37 to remove and 1 not upgraded.
Need to get 485kB of archives.
After this operation, 12.7MB disk space will be freed.
Do you want to continue [Y/n]? n
Abort.
mous16@IFRIT-VIRTUAL:~$

I think that it isn't right
Is possible to use the guest module without this package?