jockey-gtk crashed with desctop efffects

Binary package hint: jockey-gtk

i can't turn on desktop effects - jockey-gtk error

ProblemType: Crash
Architecture: i386
CurrentDmesg:
 [ 183.168014] wlan0: changing radio power level to 18 dBm (23)
 [ 183.252257] ADDRCONF(NETDEV_UP): wlan0: link is not ready
 [ 183.588473] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
 [ 184.166773] wlan0: duplicate address detected!
 [ 263.191606] process `skype' is using obsolete setsockopt SO_BSDCOMPAT
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/bin/jockey-gtk
InterpreterPath: /usr/bin/python2.6
MachineType: System manufacturer P5KC
NonfreeKernelModules: nvidia
Package: jockey-gtk 0.5-0ubuntu6
PackageArchitecture: all
ProcCmdLine: root=UUID=7a0858bd-f6d7-4f3e-aea4-f9e4da8bd840 ro quiet splash
ProcCmdline: /usr/bin/python /usr/bin/jockey-gtk --check-composite
ProcEnviron:
 LANG=pl_PL.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.28-11.38-generic
PythonArgs: ['/usr/bin/jockey-gtk', '--check-composite']
SourcePackage: jockey
Title: jockey-gtk crashed with ImportError in <module>()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare