Application: kwin (4.8.5 (4.8.5))
KDE Platform Version: 4.8.5 (4.8.5) (Compiled from sources)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-26-generic i686
Distribution: Ubuntu 12.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Restarting or Shutdown the PC			

- Unusual behavior I noticed:
The Error seems like appears since i installed HTTrack. Since that any time when i shutdown or restart two little windows pop up where it says unknown Error or Error closing or stopping Applikation.		
- Custom settings of the application:
none. Twice deininstalled even complete removed

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb5a7f740 (LWP 1994))]

Thread 3 (Thread 0xb2fffb40 (LWP 1996)):
#0  0x007a8dcd in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0x011d7315 in do_gettime (frac=0xb2ffef30, sec=0xb2ffef28) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x012c1226 in QTimerInfoList::updateCurrentTime (this=0xb2600b54) at kernel/qeventdispatcher_unix.cpp:343
#4  0x012c2c2b in QEventDispatcherUNIXPrivate::doSelect (this=0xb26004b8, flags=..., timeout=0x0) at kernel/qeventdispatcher_unix.cpp:186
#5  0x012c31f4 in QEventDispatcherUNIX::processEvents (this=0xb26004a8, flags=...) at kernel/qeventdispatcher_unix.cpp:926
#6  0x0128c50d in QEventLoop::processEvents (this=0xb2fff190, flags=...) at kernel/qeventloop.cpp:149
#7  0x0128c7a9 in QEventLoop::exec (this=0xb2fff190, flags=...) at kernel/qeventloop.cpp:204
#8  0x0117594c in QThread::exec (this=0x9f836f8) at thread/qthread.cpp:501
#9  0x01269b5d in QInotifyFileSystemWatcherEngine::run (this=0x9f836f8) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x01178de0 in QThreadPrivate::start (arg=0x9f836f8) at thread/qthread_unix.cpp:298
#11 0x00b610d1 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 2 (Thread 0xb25ffb40 (LWP 1997)):
#0  0x005e9416 in __kernel_vsyscall ()
#1  0x00be896b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x00cf964c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x029ab029 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0x029ab06f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0x00b610d1 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 1 (Thread 0xb5a7f740 (LWP 1994)):
[KCrash Handler]
#7  ref (this=0x70) at ../../include/QtCore/../../src/corelib/arch/qatomic_i386.h:120
#8  QRegion::operator= (this=0xa124d00, r=...) at painting/qregion.cpp:3934
#9  0x008d8c6c in KWin::Toplevel::copyToDeleted (this=0xa124c98, c=0xa274aa0) at ../../kwin/toplevel.cpp:131
#10 0x008fb83c in KWin::Deleted::copyToDeleted (this=0xa124c98, c=0xa274aa0) at ../../kwin/deleted.cpp:68
#11 0x008fbb2b in KWin::Deleted::create (c=0xa274aa0) at ../../kwin/deleted.cpp:53
#12 0x008da1ca in KWin::Unmanaged::release (this=0xa274aa0) at ../../kwin/unmanaged.cpp:85
#13 0x0086501e in KWin::Workspace::~Workspace (this=0x9ece260, __in_chrg=<optimized out>) at ../../kwin/workspace.cpp:533
#14 0x008658e2 in KWin::Workspace::~Workspace (this=0x9ece260, __in_chrg=<optimized out>) at ../../kwin/workspace.cpp:563
#15 0x0087f64e in KWin::Application::~Application (this=0xbfc44478, __in_chrg=<optimized out>) at ../../kwin/main.cpp:340
#16 0x0088282d in kdemain (argc=3, argv=0xbfc44724) at ../../kwin/main.cpp:541
#17 0x0804850b in main (argc=3, argv=0xbfc44724) at kwin_dummy.cpp:3

Possible duplicates by query: bug 299933, bug 299076, bug 297893.

Reported using DrKonqi