Banshee.exe crashed with signal 5 in _XError()

[S***]

Binary package hint: banshee

banshee has stopt working by playing a video...

ProblemType: Crash
Architecture: i386
Date: Tue Aug 11 16:59:48 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/lib/banshee-1/Banshee.exe
InterpreterPath: /usr/bin/mono
Package: banshee 1.4.3-5
ProcCmdline: mono /usr/lib/banshee-1/Banshee.exe --redirect-log --play-enqueued
ProcEnviron:
 PATH=(custom, user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-5.24-generic
Signal: 5
SourcePackage: banshee
StacktraceTop:
 ?? () from /usr/lib/libgdk-x11-2.0.so.0
 _XError () from /usr/lib/libX11.so.6
 ?? () from /usr/lib/libX11.so.6
 _XEventsQueued () from /usr/lib/libX11.so.6
 XPending () from /usr/lib/libX11.so.6
Title: Banshee.exe crashed with signal 5 in _XError()
Uname: Linux 2.6.31-5-generic i686
UserGroups: adm admin audio cdrom dialout dip fax fuse lpadmin netdev plugdev sambashare tape vboxusers video