Version:           3.2.3.0 (using KDE 4.3.0)
OS:                Linux
Installed from:    SuSE RPMs

ktorrent crashes when I start it up.
KCrash offers this:
Application: KTorrent (ktorrent), signal SIGABRT
[Current thread is 1 (Thread 0xf583d700 (LWP 4408))]

Thread 3 (Thread 0xf4205b90 (LWP 4429)):
[KCrash Handler]
#5  0xffffe430 in __kernel_vsyscall ()
#6  0xf5c91990 in raise () from /lib/libc.so.6
#7  0xf5c932c8 in abort () from /lib/libc.so.6
#8  0xf5ccd6c5 in ?? () from /lib/libc.so.6
#9  0xf5cd3654 in ?? () from /lib/libc.so.6
#10 0xf5cd4639 in ?? () from /lib/libc.so.6
#11 0xf6c0b93d in zcfree () from /lib/libz.so.1
#12 0xf6c07214 in deflateEnd () from /lib/libz.so.1
#13 0xf6ff12d8 in ?? () from /usr/lib/libkdecore.so.5
#14 0xf6ff1d31 in KFilterDev::close() () from /usr/lib/libkdecore.so.5
#15 0xf6ff1e70 in KFilterDev::~KFilterDev() () from /usr/lib/libkdecore.so.5
#16 0xf7ea262d in ?? () from /usr/lib/libbtcore.so.11
#17 0xf7c2885e in ?? () from /usr/lib/libQtCore.so.4
#18 0xf7bc61b5 in start_thread () from /lib/libpthread.so.0
#19 0xf5d383be in clone () from /lib/libc.so.6

Thread 2 (Thread 0xf380ab90 (LWP 4436)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xf5d31411 in select () from /lib/libc.so.6
#2  0xf7cf7dc7 in ?? () from /usr/lib/libQtCore.so.4
#3  0xf7c2885e in ?? () from /usr/lib/libQtCore.so.4
#4  0xf7bc61b5 in start_thread () from /lib/libpthread.so.0
#5  0xf5d383be in clone () from /lib/libc.so.6

Thread 1 (Thread 0xf583d700 (LWP 4408)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xf7bc9c35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xf7c29872 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#3  0xf7c28a03 in QThread::wait(unsigned long) () from /usr/lib/libQtCore.so.4
#4  0xf7cf817e in ?? () from /usr/lib/libQtCore.so.4
#5  0xf7cfb00a in ?? () from /usr/lib/libQtCore.so.4
#6  0xf5c949b1 in exit () from /lib/libc.so.6
#7  0xf73a3e1b in ?? () from /usr/lib/libQtGui.so.4
#8  0xf6dc4f2a in KApplication::xioErrhandler(_XDisplay*) () from /usr/lib/libkdeui.so.5
#9  0xf6dc4f66 in ?? () from /usr/lib/libkdeui.so.5
#10 0xf693d3c2 in _XIOError () from /usr/lib/libX11.so.6
#11 0xf6944678 in _XGetXCBBuffer () from /usr/lib/libX11.so.6
#12 0xf694487d in ?? () from /usr/lib/libX11.so.6
#13 0xf69455e6 in _XReply () from /usr/lib/libX11.so.6
#14 0xf6922c76 in _XGetWindowAttributes () from /usr/lib/libX11.so.6
#15 0xf6922df2 in XGetWindowAttributes () from /usr/lib/libX11.so.6
#16 0xf6968be0 in _XimRegisterIMInstantiateCallback () from /usr/lib/libX11.so.6
#17 0xf694bb38 in XRegisterIMInstantiateCallback () from /usr/lib/libX11.so.6
#18 0xf78b5db7 in ?? () from /usr/lib/libQtGui.so.4
#19 0xf78b48c1 in QInputContextFactory::create(QString const&, QObject*) () from /usr/lib/libQtGui.so.4
#20 0xf7343615 in QApplication::inputContext() const () from /usr/lib/libQtGui.so.4
#21 0xf738cee8 in QWidgetPrivate::inputContext() const () from /usr/lib/libQtGui.so.4
#22 0xf7395903 in QWidget::setAttribute(Qt::WidgetAttribute, bool) () from /usr/lib/libQtGui.so.4
#23 0xf7806d20 in QAbstractItemViewPrivate::init() () from /usr/lib/libQtGui.so.4
#24 0xf7806e01 in QAbstractItemView::QAbstractItemView(QAbstractItemViewPrivate&, QWidget*) () from /usr/lib/libQtGui.so.4
#25 0xf7840ec3 in QTreeView::QTreeView(QTreeViewPrivate&, QWidget*) () from /usr/lib/libQtGui.so.4
#26 0xf787f4d5 in QTreeWidget::QTreeWidget(QWidget*) () from /usr/lib/libQtGui.so.4
#27 0x080a1141 in _start ()

When run from command line, ktorrent outputs this:
 *** glibc detected *** ktorrent: munmap_chunk(): invalid pointer: 0x081c7d20 ***
======= Backtrace: =========
/lib/libc.so.6[0xf5cd9654]
/lib/libc.so.6[0xf5cda639]
/lib/libz.so.1(zcfree+0x1d)[0xf6c1193d]
/lib/libz.so.1(deflateEnd+0xd4)[0xf6c0d214]
/usr/lib/libkdecore.so.5[0xf6ff72d8]
/usr/lib/libkdecore.so.5(_ZN10KFilterDev5closeEv+0x51)[0xf6ff7d31]
/usr/lib/libkdecore.so.5(_ZN10KFilterDevD0Ev+0xd0)[0xf6ff7e70]
/usr/lib/libbtcore.so.11[0xf7ea862d]
/usr/lib/libQtCore.so.4[0xf7c2e85e]
/lib/libpthread.so.0[0xf7bcc1b5]
/lib/libc.so.6(clone+0x5e)[0xf5d3e3be]
======= Memory map: ========
08048000-080ff000 r-xp 00000000 08:07 193757                             /usr/bin/ktorrent
080ff000-08100000 r--p 000b6000 08:07 193757                             /usr/bin/ktorrent
08100000-08102000 rw-p 000b7000 08:07 193757                             /usr/bin/ktorrent
08102000-0822a000 rw-p 08102000 00:00 0                                  [heap]
f376c000-f380c000 rw-p f376c000 00:00 0
f380c000-f3900000 r--s 00000000 08:08 324522                             /var/tmp/kdecache-endeavor/ksycoca4
f3900000-f3959000 rw-p f3900000 00:00 0
f3959000-f3a00000 ---p f3959000 00:00 0
f3a0b000-f3a0c000 ---p f3a0b000 00:00 0
f3a0c000-f420c000 rw-p f3a0c000 00:00 0
f420c000-f4241000 r--s 00000000 08:08 762591                             /var/run/nscd/passwd
f4241000-f51be000 rw-s 00000000 08:08 324737                             /var/tmp/kdecache-endeavor/kpc/kde-icon-cache.data
f51be000-f55d7000 rw-s 00000000 08:08 324734                             /var/tmp/kdecache-endeavor/kpc/kde-icon-cache.index
f55d7000-f5608000 r-xp 00000000 08:07 40851                              /usr/lib/kde4/plugins/styles/oxygen.so
f5608000-f5609000 r--p 00030000 08:07 40851                              /usr/lib/kde4/plugins/styles/oxygen.so
f5609000-f560a000 rw-p 00031000 08:07 40851                              /usr/lib/kde4/plugins/styles/oxygen.so
f560a000-f5675000 r--s 00000000 08:08 341799                             /var/cache/fontconfig/7ef2298fde41cc6eeb7af42e48b7d293-x86.cache-2
f5675000-f569b000 r--s 00000000 08:08 341784                             /var/cache/fontconfig/8d4af663993b81a124ee82e610bb31f9-x86.cache-2
f569b000-f56db000 r--s 00000000 08:08 341968                             /var/cache/fontconfig/17090aa38d5c6f09fb8c5c354938f1d7-x86.cache-2
f56db000-f571b000 r--s 00000000 08:08 341748                             /var/cache/fontconfig/df311e82a1a24c41a75c2c930223552e-x86.cache-2
f571b000-f575a000 r--p 00000000 08:07 618389                             /usr/lib/locale/en_US.utf8/LC_CTYPE
f575a000-f5843000 r--p 00000000 08:07 618891                             /usr/lib/locale/en_US.utf8/LC_COLLATE
f5843000-f5847000 rw-p f5843000 00:00 0
f5847000-f586c000 r-xp 00000000 08:01 17369                              /lib/libexpat.so.1.5.2
f586c000-f586e000 r--p 00024000 08:01 17369                              /lib/libexpat.so.1.5.2
f586e000-f586f000 rw-p 00026000 08:01 17369                              /lib/libexpat.so.1.5.2
f586f000-f58a0000 r-xp 00000000 08:07 609302                             /usr/lib/libpcre.so.0.0.1
f58a0000-f58a1000 r--p 00030000 08:07 609302                             /usr/lib/libpcre.so.0.0.1
f58a1000-f58a2000 rw-p 00031000 08:07 609302                             /usr/lib/libpcre.so.0.0.1
f58a2000-f58db000 r-xp 00000000 08:07 612676                             /usr/lib/libQtSql.so.4.4.3
f58db000-f58dc000 r--p 00039000 08:07 612676                             /usr/lib/libQtSql.so.4.4.3
f58dc000-f58dd000 rw-p 0003a000 08:07 612676                             /usr/lib/libQtSql.so.4.4.3
f58dd000-f58de000 rw-p f58dd000 00:00 0
f58de000-f58df000 r-xp 00000000 08:07 613098                             /usr/lib/libutempter.so.0.5.5
f58df000-f58e0000 r--p 00000000 08:07 613098                             /usr/lib/libutempter.so.0.5.5
f58e0000-f58e1000 rw-p 00001000 08:07 613098                             /usr/lib/libutempter.so.0.5.5
f58e1000-f58fd000 r-xp 00000000 08:07 612021                             /usr/lib/libxcb.so.1.0.0
f58fd000-f58fe000 r--p 0001b000 08:07 612021                             /usr/lib/libxcb.so.1.0.0
f58fe000-f58ff000 rw-p 0001c000 08:07 612021                             /usr/lib/libxcb.so.1.0.0
f58ff000-f5900000 r-xp 00000000 08:07 612009                             /usr/lib/libxcb-xlib.so.0.0.0
f5900000-f5901000 r--p 00000000 08:07 612009                             /usr/lib/libxcb-xlib.so.0.0.0
f5901000-f5902000 rw-p 00001000 08:07 612009                             /usr/lib/libxcb-xlib.so.0.0.0
f5902000-f5903000 rw-p f5902000 00:00 0
f5903000-f5907000 r-xp 00000000 08:01 17507                              /lib/libuuid.so.1.2
f5907000-f5908000 r--p 00003000 08:01 17507                              /lib/libuuid.so.1.2
f5908000-f5909000 rw-p 00004000 08:01 17507                              /lib/libuuid.so.1.2
f5909000-f5a57000 r-xp 00000000 08:07 612801                             /usr/lib/libxml2.so.2.7.1
f5a57000-f5a5b000 r--p 0014d000 08:07 612801                             /usr/lib/libxml2.so.2.7.1
f5a5b000-f5a5c000 rw-p 00151000KCrash: Application 'ktorrent' crashing...
sock_file=/home/endeavor/.kde4/socket-linux/kdeinit4__0
man grep