package compiz-plugins-main-default 0.9.5.92.bzr17-0ubuntu1 failed to install/upgrade: trying to overwrite '/usr/share/compiz/grid.xml', which is also in package compiz-plugins 1:0.9.4+bzr20110606-0ubuntu1~natty2

Upgraded to 11.10 beta, after that desktop is not appearing properly

ProblemType: Package
DistroRelease: Ubuntu 11.10
Package: compiz-plugins-main-default 0.9.5.92.bzr17-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-10.16-generic 3.0.4
Uname: Linux 3.0.0-10-generic x86_64
Architecture: amd64
Date: Thu Sep 8 22:26:35 2011
DuplicateSignature:
 Unpacking compiz-plugins-main-default (from .../compiz-plugins-main-default_0.9.5.92.bzr17-0ubuntu1_amd64.deb) ...
 Replacing files in old package compiz-plugins-main ...
 Replacing files in old package compiz-gnome ...
 dpkg: error processing /var/cache/apt/archives/compiz-plugins-main-default_0.9.5.92.bzr17-0ubuntu1_amd64.deb (--unpack):
  trying to overwrite '/usr/share/compiz/grid.xml', which is also in package compiz-plugins 1:0.9.4+bzr20110606-0ubuntu1~natty2
ErrorMessage: trying to overwrite '/usr/share/compiz/grid.xml', which is also in package compiz-plugins 1:0.9.4+bzr20110606-0ubuntu1~natty2
SourcePackage: compiz-plugins-main
Title: package compiz-plugins-main-default 0.9.5.92.bzr17-0ubuntu1 failed to install/upgrade: trying to overwrite '/usr/share/compiz/grid.xml', which is also in package compiz-plugins 1:0.9.4+bzr20110606-0ubuntu1~natty2
UpgradeStatus: Upgraded to oneiric on 2011-09-08 (0 days ago)