Install Error build-essential & linux-headers-`uname -r` with linux-backports-modules

[Gregory German]

was running
sudo apt-get install build-essential linux-headers-`uname -r`
and got 3 pop-up errors including this one.
package linux-backports-modules-cw-3.4-3.2.0-37-generic (not installed) failed to install/upgrade: trying to overwrite '/lib/udev/rules.d/50-compat_firmware_37_generic.rules', which is also in package linux-backports-modules-cw-3.3-3.2.0-37-generic 3.2.0-37.24

ProblemType: PackageDistroRelease: Ubuntu 12.04
Package: linux-backports-modules-cw-3.4-3.2.0-37-generic (not installed)
ProcVersionSignature: Ubuntu 3.2.0-37.58-generic 3.2.35
Uname: Linux 3.2.0-37-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu17.1
Architecture: i386
Date: Thu Feb 14 01:42:59 2013
DuplicateSignature:
 Unpacking linux-backports-modules-cw-3.4-3.2.0-37-generic (from .../linux-backports-modules-cw-3.4-3.2.0-37-generic_3.2.0-37.24_i386.deb) ...
 dpkg: error processing /var/cache/apt/archives/linux-backports-modules-cw-3.4-3.2.0-37-generic_3.2.0-37.24_i386.deb (--unpack):
  trying to overwrite '/lib/udev/rules.d/50-compat_firmware_37_generic.rules', which is also in package linux-backports-modules-cw-3.3-3.2.0-37-generic 3.2.0-37.24
ErrorMessage: trying to overwrite '/lib/udev/rules.d/50-compat_firmware_37_generic.rules', which is also in package linux-backports-modules-cw-3.3-3.2.0-37-generic 3.2.0-37.24InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
MarkForUpload: TrueSourcePackage: linux-backports-modules-3.2.0
Title: package linux-backports-modules-cw-3.4-3.2.0-37-generic (not installed) failed to install/upgrade: trying to overwrite '/lib/udev/rules.d/50-compat_firmware_37_generic.rules', which is also in package linux-backports-modules-cw-3.3-3.2.0-37-generic 3.2.0-37.24
UpgradeStatus: Upgraded to precise on 2013-02-13 (0 days ago)

[Christopher L Weber (cweber10)]

I would start by running each install separately. if it is the linux-headers-`uname -r`that has the error can you give the the results for uname -r.
---
Ubuntu Bug Squad volunteer triager
http://wiki.ubuntu.com/BugSquad