this has been fixed already
Preparing to replace xserver-xorg 1:7.4~5ubuntu21 (using .../xserver-
xorg_1%3a7.4+3ubuntu1_i386.deb) ...
Unpacking replacement xserver-xorg ...
dpkg: error processing /var/cache/apt/archives/xserver-
xorg_1%3a7.4+3ubuntu1_i386.deb (--unpack):
trying to overwrite
** Tags added: karmic
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package xserver-xorg 1:7.4+3ubuntu4 failed to install/upgrade: subprocess
post-installation script returned error exit status 1
https://bugs.launchpad.net/bugs/394573
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** Package changed: xserver-xorg-video-intel (Ubuntu) = xorg (Ubuntu)
** Changed in: xorg (Ubuntu)
Importance: Undecided = High
** Changed in: xorg (Ubuntu)
Status: Confirmed = Triaged
--
package xserver-xorg 1:7.4+3ubuntu4 failed to install/upgrade: subprocess
post-installation
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New = Confirmed
--
package xserver-xorg 1:7.4+3ubuntu4 failed to install/upgrade: subprocess
post-installation script returned error exit status 1
https://bugs.launchpad.net/bugs/394573
You received this bug notification because
** Package changed: xorg (Ubuntu) = xserver-xorg-video-intel (Ubuntu)
--
package xserver-xorg 1:7.4+3ubuntu4 failed to install/upgrade: subprocess
post-installation script returned error exit status 1
https://bugs.launchpad.net/bugs/394573
You received this bug notification because you are a
** Attachment added: AptOrdering.txt
http://launchpadlibrarian.net/28617461/AptOrdering.txt
** Attachment added: BootDmesg.txt
http://launchpadlibrarian.net/28617462/BootDmesg.txt
** Attachment added: CurrentDmesg.txt
http://launchpadlibrarian.net/28617465/CurrentDmesg.txt
**
