each time I exit akregator or I shut down my computer, the crash report screen pop-up. I know I'm not the first one to report a similar bug, but my backtrace is a little bit different and I run on a different distribution.

Reproducible: Always

Steps to Reproduce:
1.exit the program
2.
3.

Actual Results:  
the program crash

Expected Results:  
exit normally

Application: akregator (4.14.1)
KDE Platform Version: 4.14.2
Qt Version: 4.8.6
Operating System: Linux 3.16.0-4-amd64 x86_64
Distribution: Debian GNU/Linux 8.2 (jessie)

-- Information about the crash:
<the crash occur each time I exit akgregator.>

The crash can be reproduced every time.

-- Backtrace:
Application: Akregator (akregator), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f955f3d27c0 (LWP 1331))]

Thread 3 (Thread 0x7f9539c57700 (LWP 3196)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9541f0206f in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f9541f020a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f9556e3e0a4 in start_thread (arg=0x7f9539c57700) at pthread_create.c:309
#4  0x00007f955be8b04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f94f2736700 (LWP 3202)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9541c24973 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f9541f317f6 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f9556e3e0a4 in start_thread (arg=0x7f94f2736700) at pthread_create.c:309
#4  0x00007f955be8b04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f955f3d27c0 (LWP 1331)):
[KCrash Handler]
#6  0x00007f955ca87471 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007f955e8acf62 in Akregator::Frame::signalCompleted(Akregator::Frame*) () from /usr/lib/libakregatorprivate.so.4
#8  0x00007f955e8a281b in Akregator::Frame::slotSetState(Akregator::Frame::State) () from /usr/lib/libakregatorprivate.so.4
#9  0x00007f95442a43c7 in Akregator::MainWidget::slotFetchingStopped() () from /usr/lib/kde4/akregatorpart.so
#10 0x00007f955ca8771c in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#11 0x00007f955e8a2449 in Akregator::FetchQueue::slotAbort() () from /usr/lib/libakregatorprivate.so.4
#12 0x00007f955e8a24ca in Akregator::FetchQueue::~FetchQueue() () from /usr/lib/libakregatorprivate.so.4
#13 0x00007f955e8a2539 in Akregator::FetchQueue::~FetchQueue() () from /usr/lib/libakregatorprivate.so.4
#14 0x00007f955e8a1389 in Akregator::Kernel::~Kernel() () from /usr/lib/libakregatorprivate.so.4
#15 0x00007f955bddcbc9 in __run_exit_handlers (status=0, listp=0x7f955c1485a8 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true) at exit.c:82
#16 0x00007f955bddcc15 in __GI_exit (status=<optimized out>) at exit.c:104
#17 0x00007f955bdc6b4c in __libc_start_main (main=0x407240, argc=3, argv=0x7fff907b3de8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff907b3dd8) at libc-start.c:321
#18 0x00000000004079fd in _start ()