crash in QtGui4.dll!QPMCache::timerEvent(QTimerEvent * __formal=0x076cdfb8) Line 243 C++

nondeterministic crash

call stack:
179ddbc2()
> QtGui4.dll!QCache<QPixmapCache::Key,QPixmapCacheEntry>::trim(int m=0x001c76e5) Line 205 C++
QtGui4.dll!QPMCache::timerEvent(QTimerEvent * __formal=0x076cdfb8) Line 243 C++
QtCore4.dll!QObject::event(QEvent * e=0x076cdfb8) Line 1276 C++
QtGui4.dll!QApplicationPrivate::notify_helper(QObject * receiver=0x036dde80, QEvent * e=0x076cdfb8) Line 4303 C++
QtGui4.dll!QApplication::notify(QObject * receiver=0x036dde80, QEvent * e=0x076cdfb8) Line 4267 + 0x9 bytes C++
test.exe!TestApplication::notify(QObject * receiver=0x036dde80, QEvent * event=0x076cdfb8) Line 207 C++
QtCore4.dll!QCoreApplication::notifyInternal(QObject * receiver=0x036a0b30, QEvent * event=0x076cdfb8) Line 739 C++
QtCore4.dll!QEventDispatcherWin32Private::sendTimerEvent(int timerId=0x01000001) Line 620 C++
QtCore4.dll!qt_internal_proc(HWND__ * hwnd=0x076ce15c, unsigned int message=0x227a9eaa, unsigned int wp=0x0369c5e8, long lp=0x0369c5e8) Line 485 C++
QtCore4.dll!QEventDispatcherWin32::processEvents(QFlags<enum QEventLoop::ProcessEventsFlag> flags=

) Line 781 C++
QtCore4.dll!QThread::exec() Line 488 C++
test.exe!ApplicationLogicThread::run() Line 35 C++
QtCore4.dll!QThreadPrivate::start(void * arg=0x036a0cb8) Line 317 C++
msvcr80.dll!781329bb()
[Frames below may be incorrect and/or missing, no symbols loaded for msvcr80.dll]
msvcr80.dll!78132a47()