Application: kdeinit5 (kdeinit5), signal: Segmentation fault

Session plasma Xorg
Notebook: CPU: i3-6006U, Ram: 4GB
Ubuntu 19.04

Application: kdeinit5 (kdeinit5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f83d9146780 (LWP 13573))]

Thread 3 (Thread 0x7f83cf88c700 (LWP 13575)):
#0 0x00007f83dd13f6d9 in __GI___poll (fds=0x7f83c8004db0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f83db3fee46 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f83db3fef6c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f83dd4d7d2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f83dd484d0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f83dd2d40e6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f83d8481545 in () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7 0x00007f83dd2ddcb7 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f83dc180164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9 0x00007f83dd14bdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f83d5363700 (LWP 13574)):
#0 0x00007f83dd13f6d9 in __GI___poll (fds=0x7f83d5362d38, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f83ddcf6917 in () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2 0x00007f83ddcf853a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3 0x00007f83d66ed519 in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4 0x00007f83dd2ddcb7 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f83dc180164 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6 0x00007f83dd14bdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f83d9146780 (LWP 13573)):
[KCrash Handler]
#6 0x00007f83cd11c4d4 in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/ffmpegthumbs.so
#7 0x00007f83cd11e1b7 in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/ffmpegthumbs.so
#8 0x00007f83cd11e339 in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/ffmpegthumbs.so
#9 0x00007f83cd11b763 in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/ffmpegthumbs.so
#10 0x00007f83ddec6e80 in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/kio/thumbnail.so
#11 0x00007f83ddec7458 in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/kio/thumbnail.so
#12 0x00007f83ddec7b30 in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/kio/thumbnail.so
#13 0x00007f83ddec9041 in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/kio/thumbnail.so
#14 0x00007f83d8acb396 in KIO::SlaveBase::dispatch(int, QByteArray const&) () at /usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#15 0x00007f83d8ac6736 in KIO::SlaveBase::dispatchLoop() () at /usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#16 0x00007f83ddec608d in kdemain () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/kio/thumbnail.so
#17 0x0000561343ab8e1c in ()
#18 0x0000561343ab9eea in ()
#19 0x0000561343aba8fb in ()
#20 0x0000561343ab5645 in ()
#21 0x00007f83dd05509b in __libc_start_main (main=0x561343ab4c70, argc=5, argv=0x7ffdee6d2788, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffdee6d2778) at ../csu/libc-start.c:308
#22 0x0000561343ab62ca in _start ()
[Inferior 1 (process 13573) detached]

ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: kinit 5.52.0-0ubuntu1
ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12
Uname: Linux 4.18.0-11-generic x86_64
ApportVersion: 2.20.10-0ubuntu14
Architecture: amd64
CurrentDesktop: KDE
Date: Sun Dec 2 15:51:46 2018
InstallationDate: Installed on 2018-07-02 (152 days ago)
InstallationMedia: Kubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180421.1)
SourcePackage: kinit
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.default.apport:
 # set this to 0 to disable apport, or to 1 to enable it
 # you can temporarily override this with
 # sudo service apport start force_start=1
 enabled=0
mtime.conffile..etc.default.apport: 2018-08-27T01:10:11.275030