Mac Crash Report

Ugg, again...
This is the part that has me slightly concerned...I recall this popping up elsewhere in the forum..
Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE

Report:
Date/Time: 2012-03-06 10:07:05.838 -0500
OS Version: Mac OS X 10.6.8 (10K549)
Report Version: 6

Interval Since Last Report: 2577258 sec
Crashes Since Last Report: 34
Per-App Interval Since Last Report: 61625 sec
Per-App Crashes Since Last Report: 2
Anonymous UUID: 6758BB5D-0DD6-4DBB-A31A-CD9EB50F3530

Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000000000000
Crashed Thread: 0 Dispatch queue: com.apple.main-thread

Thread 0 Crashed: Dispatch queue: com.apple.main-thread
0 com.yourcompany.SoulseekQt 0x000229a9 CrashAssert(bool) + 9
1 com.yourcompany.SoulseekQt 0x0002bc72 Data::GetItem(ItemSet, char const*) + 194
2 com.yourcompany.SoulseekQt 0x0002bdbc Data::GetItem(ItemPtr, ItemPtr, char const*) + 236
3 com.yourcompany.SoulseekQt 0x000e34ec TransferQueueManager::OnFileConnection(std::string, QTcpSocket*, unsigned int) + 1100
4 com.yourcompany.SoulseekQt 0x0016421b TransferQueueManager::qt_metacall(QMetaObject::Call, int, void**) + 795
5 QtCore 0x00de7f92 QMetaObject::activate(QObject*, QMetaObject const*, int, void**) + 594
6 com.yourcompany.SoulseekQt 0x0016184a PeerMessenger::FileConnectionRequested(std::string, QTcpSocket*, unsigned int) + 74
7 com.yourcompany.SoulseekQt 0x0008b54d PeerMessenger::OnSocketReadyToRead() + 2701
8 com.yourcompany.SoulseekQt 0x0016238f PeerMessenger::qt_metacall(QMetaObject::Call, int, void**) + 2495
9 QtCore 0x00de7f92 QMetaObject::activate(QObject*, QMetaObject const*, int, void**) + 594
10 QtCore 0x00f1d8c2 QIODevice::readyRead() + 50
11 QtNetwork 0x010da062 QAbstractSocket::QAbstractSocket(QAbstractSocket::SocketType, QObject*) + 1842
12 QtNetwork 0x010c877b QNetworkProxyFactory::systemProxyForQuery(QNetworkProxyQuery const&) + 5035
13 QtGui 0x002bca7f QApplicationPrivate::notify_helper(QObject*, QEvent*) + 175
14 QtGui 0x002bcfbd QApplication::notify(QObject*, QEvent*) + 1213
15 QtCore 0x00de1422 QCoreApplication::notifyInternal(QObject*, QEvent*) + 98
16 QtGui 0x0026437a non-virtual thunk to QDesktopWidget::~QDesktopWidget() + 2298
17 com.apple.CoreFoundation 0x926aedfe __CFSocketDoCallback + 702
18 com.apple.CoreFoundation 0x926ae787 __CFSocketPerformV0 + 311
19 com.apple.CoreFoundation 0x9266842b __CFRunLoopDoSources0 + 1563
20 com.apple.CoreFoundation 0x92665eef __CFRunLoopRun + 1071
21 com.apple.CoreFoundation 0x926653c4 CFRunLoopRunSpecific + 452
22 com.apple.CoreFoundation 0x926651f1 CFRunLoopRunInMode + 97
23 com.apple.HIToolbox 0x915ace04 RunCurrentEventLoopInMode + 392
24 com.apple.HIToolbox 0x915acaf5 ReceiveNextEventCommon + 158
25 com.apple.HIToolbox 0x91735137 ReceiveNextEvent + 83
26 QtGui 0x0026573c non-virtual thunk to QDesktopWidget::~QDesktopWidget() + 7356
27 QtCore 0x00ed52a1 QEventLoop::processEvents(QFlags) + 65
28 QtCore 0x00ed54dd QEventLoop::exec(QFlags) + 189
29 QtCore 0x00ed780e QCoreApplication::exec() + 174
30 com.yourcompany.SoulseekQt 0x0000506a main + 218
31 com.yourcompany.SoulseekQt 0x00004ded _start + 208
32 com.yourcompany.SoulseekQt 0x00004d1c start + 40

Thread 1: Dispatch queue: com.apple.libdispatch-manager
0 libSystem.B.dylib 0x94ce9382 kevent + 10
1 libSystem.B.dylib 0x94ce9a9c _dispatch_mgr_invoke + 215
2 libSystem.B.dylib 0x94ce8f59 _dispatch_queue_invoke + 163
3 libSystem.B.dylib 0x94ce8cfe _dispatch_worker_thread2 + 240
4 libSystem.B.dylib 0x94ce8781 _pthread_wqthread + 390
5 libSystem.B.dylib 0x94ce85c6 start_wqthread + 30

Thread 2:
0 libSystem.B.dylib 0x94cfe58a select$DARWIN_EXTSN$NOCANCEL + 10
1 libSystem.B.dylib 0x94d96c4b select + 92
2 QtCore 0x00ef8c78 qt_safe_select(int, fd_set*, fd_set*, fd_set*, timeval const*) + 168
3 QtCore 0x00efc439 QEventDispatcherUNIXPrivate::doSelect(QFlags, timeval*) + 441
4 QtCore 0x00efdbdc QEventDispatcherUNIX::processEvents(QFlags) + 156
5 QtCore 0x00ed52a1 QEventLoop::processEvents(QFlags) + 65
6 QtCore 0x00ed54dd QEventLoop::exec(QFlags) + 189
7 QtCore 0x00e165ad QThread::exec() + 157
8 QtCore 0x00e16f2f QThread::setTerminationEnabled(bool) + 239
9 libSystem.B.dylib 0x94cf0259 _pthread_start + 345
10 libSystem.B.dylib 0x94cf00de thread_start + 34

Thread 3:
0 libSystem.B.dylib 0x94cfe58a select$DARWIN_EXTSN$NOCANCEL + 10
1 libSystem.B.dylib 0x94d96c4b select + 92
2 QtCore 0x00ef8c78 qt_safe_select(int, fd_set*, fd_set*, fd_set*, timeval const*) + 168
3 QtCore 0x00efc439 QEventDispatcherUNIXPrivate::doSelect(QFlags, timeval*) + 441
4 QtCore 0x00efdbdc QEventDispatcherUNIX::processEvents(QFlags) + 156
5 QtCore 0x00ed52a1 QEventLoop::processEvents(QFlags) + 65
6 QtCore 0x00ed54dd QEventLoop::exec(QFlags) + 189
7 QtCore 0x00e165ad QThread::exec() + 157
8 QtCore 0x00e16f2f QThread::setTerminationEnabled(bool) + 239
9 libSystem.B.dylib 0x94cf0259 _pthread_start + 345
10 libSystem.B.dylib 0x94cf00de thread_start + 34

Thread 4: com.apple.CFSocket.private
0 libSystem.B.dylib 0x94ce1ac6 select$DARWIN_EXTSN + 10
1 com.apple.CoreFoundation 0x926a5c53 __CFSocketManager + 1091
2 libSystem.B.dylib 0x94cf0259 _pthread_start + 345
3 libSystem.B.dylib 0x94cf00de thread_start + 34

Thread 5:
0 libSystem.B.dylib 0x94cfe58a select$DARWIN_EXTSN$NOCANCEL + 10
1 libSystem.B.dylib 0x94d96c4b select + 92
2 QtCore 0x00eba458 QFSFileEngine::drives() + 9064
3 QtCore 0x00e16f2f QThread::setTerminationEnabled(bool) + 239
4 libSystem.B.dylib 0x94cf0259 _pthread_start + 345
5 libSystem.B.dylib 0x94cf00de thread_start + 34

Thread 6:
0 libSystem.B.dylib 0x94cfe58a select$DARWIN_EXTSN$NOCANCEL + 10
1 libSystem.B.dylib 0x94d96c4b select + 92
2 QtCore 0x00ef8c22 qt_safe_select(int, fd_set*, fd_set*, fd_set*, timeval const*) + 82
3 QtNetwork 0x010e2f6f QLocalServer::incomingConnection(unsigned int) + 3119
4 QtNetwork 0x010ca0cd QNetworkProxyFactory::systemProxyForQuery(QNetworkProxyQuery const&) + 11517
5 QtNetwork 0x010dc714 QAbstractSocket::waitForReadyRead(int) + 244
6 com.yourcompany.SoulseekQt 0x000b8f07 DownloadThread::PerformDownload() + 279
7 com.yourcompany.SoulseekQt 0x000b9070 DownloadThread::run() + 32
8 QtCore 0x00e16f2f QThread::setTerminationEnabled(bool) + 239
9 libSystem.B.dylib 0x94cf0259 _pthread_start + 345
10 libSystem.B.dylib 0x94cf00de thread_start + 34

Thread 7:
0 libSystem.B.dylib 0x94cfe58a select$DARWIN_EXTSN$NOCANCEL + 10
1 libSystem.B.dylib 0x94d96c4b select + 92
2 QtCore 0x00ef8c22 qt_safe_select(int, fd_set*, fd_set*, fd_set*, timeval const*) + 82
3 QtNetwork 0x010e2f6f QLocalServer::incomingConnection(unsigned int) + 3119
4 QtNetwork 0x010ca0cd QNetworkProxyFactory::systemProxyForQuery(QNetworkProxyQuery const&) + 11517
5 QtNetwork 0x010dc714 QAbstractSocket::waitForReadyRead(int) + 244
6 com.yourcompany.SoulseekQt 0x000b8f07 DownloadThread::PerformDownload() + 279
7 com.yourcompany.SoulseekQt 0x000b9070 DownloadThread::run() + 32
8 QtCore 0x00e16f2f QThread::setTerminationEnabled(bool) + 239
9 libSystem.B.dylib 0x94cf0259 _pthread_start + 345
10 libSystem.B.dylib 0x94cf00de thread_start + 34

Thread 0 crashed with X86 Thread State (32-bit):
eax: 0x00000000 ebx: 0xbfffe020 ecx: 0x0095c980 edx: 0x00ad4580
edi: 0xbfffe324 esi: 0xbfffe038 ebp: 0xbfffe008 esp: 0xbfffe008
ss: 0x0000001f efl: 0x00210246 eip: 0x000229a9 cs: 0x00000017
ds: 0x0000001f es: 0x0000001f fs: 0x00000000 gs: 0x00000037
cr2: 0x00000000