compiz crashed with SIGSEGV in nux::GraphicsDisplay::GrabKeyboard()

I'm running linux on a hp g62 notebook made for Windows 7. The Windows key usually brings up the search bar allowing for instant searching, but this time it crashed.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: libnux-0.9-0 0.9.36-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-7.38-generic 2.6.38
Uname: Linux 2.6.38-7-generic x86_64
Architecture: amd64
CrashCounter: 1
Date: Thu Mar 24 17:51:49 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x1432159: add %al,(%rax)
 PC (0x01432159) in non-executable VMA region: 0x013d2000-0x0282d000 rw-p [heap]
 source "%al" ok
 destination "(%rax)" (0x01432159) ok
SegvReason: executing writable VMA [heap]
Signal: 11
SourcePackage: nux
StacktraceTop:
 ?? ()
 nux::GraphicsDisplay::GrabKeyboard(void (*)(bool, void*), void*, bool) () from /usr/lib/libnux-graphics-0.9.so.0
 nux::WindowCompositor::GrabKeyboardAdd(nux::InputArea*) () from /usr/lib/libnux-0.9.so.0
 PlacesController::Show() () from /usr/lib/compiz/libunityshell.so
 ?? () from /usr/lib/compiz/libunityshell.so
Title: compiz crashed with SIGSEGV in nux::GraphicsDisplay::GrabKeyboard()
UpgradeStatus: Upgraded to natty on 2011-03-21 (3 days ago)
UserGroups: adm admin cdrom dialout lpadmin netdev plugdev root sambashare