Synergy dosn't crash i just get the Messege all the time, also about other programms

Binary package hint: synergy

It's evering sayed in the title

ProblemType: Crash
Architecture: i386
AssertionMessage: synergyc: CArchMultithreadPosix.cpp:286: virtual void CArchMultithreadPosix::closeMutex(CArchMutexImpl*): Assertion `status == 0' failed.
Date: Mon Oct 19 21:05:27 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/synergyc
NonfreeKernelModules: nvidia
Package: synergy 1.3.1-6ubuntu1
ProcCmdline: synergyc 137.226.239.53
ProcEnviron:
 SHELL=/bin/bash
 LANG=de_DE.UTF-8
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
Signal: 6
SourcePackage: synergy
StacktraceTop:
 __kernel_vsyscall ()
 raise () from /lib/tls/i686/cmov/libc.so.6
 abort () from /lib/tls/i686/cmov/libc.so.6
 __assert_fail () from /lib/tls/i686/cmov/libc.so.6
 ?? ()
Title: synergyc assert failure: synergyc: CArchMultithreadPosix.cpp:286: virtual void CArchMultithreadPosix::closeMutex(CArchMutexImpl*): Assertion `status == 0' failed.
Uname: Linux 2.6.31-14-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare ssh
XsessionErrors:
 (gnome-settings-daemon:3659): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (gnome-settings-daemon:3659): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (nautilus:3746): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
 (polkit-gnome-authentication-agent-1:3775): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (nautilus:3821): GStreamer-WARNING **: Failed to load plugin '/usr/lib/gstreamer-0.10/libgstschro.so': /usr/lib/gstreamer-0.10/libgstschro.so: undefined symbol: schro_virt_frame_new_vert_downsample