When logging in into KDE4, krunner was there from the beginning (there was a crash when logging out earlier but the crashmanager dissappeared due to KDE4 logout, obviously).
I tried to run "konsole" and krunner crashed:

Using host libthread_db library "/lib/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread 0xb55b8900 (LWP 20191)]
[KCrash handler]
#5  0xb659688e in __dynamic_cast () from /usr/lib/libstdc++.so.6
#6  0x08056539 in Interface::matchActivated (this=0x8132308, item=0x829fc80)
    at /data/althome/kdedevel/kde/src/KDE/base/workspace/krunner/interface.cpp:315
#7  0x08056dc7 in Interface::exec (this=0x8132308)
    at /data/althome/kdedevel/kde/src/KDE/base/workspace/krunner/interface.cpp:442
#8  0x0805745b in Interface::qt_metacall (this=0x8132308, 
    _c=QMetaObject::InvokeMetaMethod, _id=6, _a=0xbf8b5aa8)
    at /data/althome/kdedevel/kde/build/KDE/base/workspace/krunner/interface.moc:88
#9  0xb7ceed8e in QMetaObject::activate (sender=0x8151a10, 
    from_signal_index=30, to_signal_index=30, argv=0x0)
    at kernel/qobject.cpp:3089
#10 0xb7cef692 in QMetaObject::activate (sender=0x8151a10, m=0xb78d8b68, 
    local_signal_index=3, argv=0x0) at kernel/qobject.cpp:3151
#11 0xb76829e7 in QLineEdit::returnPressed (this=0x8151a10)
    at .moc/release-shared/moc_qlineedit.cpp:224
#12 0xb768b1ca in QLineEdit::keyPressEvent (this=0x8151a10, event=0xbf8b6178)
    at widgets/qlineedit.cpp:1813
#13 0xb71485ff in KLineEdit::keyPressEvent (this=0x8151a10, e=0xbf8b6178)
    at /data/althome/kdedevel/kde/src/KDE/libs/kdeui/widgets/klineedit.cpp:800
#14 0xb73c3124 in QWidget::event (this=0x8151a10, event=0xbf8b6178)
    at kernel/qwidget.cpp:6165
#15 0xb7688dbc in QLineEdit::event (this=0x8151a10, e=0xbf8b6178)
    at widgets/qlineedit.cpp:1575
#16 0xb71455d6 in KLineEdit::event (this=0x8151a10, ev=0xbf8b6178)
    at /data/althome/kdedevel/kde/src/KDE/libs/kdeui/widgets/klineedit.cpp:1215
#17 0xb737f1cd in QApplicationPrivate::notify_helper (this=0x809c9d8, 
    receiver=0x8151a10, e=0xbf8b6178) at kernel/qapplication.cpp:3558
#18 0xb7385555 in QApplication::notify (this=0xbf8b69ec, receiver=0x8151a10, 
    e=0xbf8b6178) at kernel/qapplication.cpp:3171
#19 0xb709716b in KApplication::notify (this=0xbf8b69ec, receiver=0x8151a10, 
    event=0xbf8b6178)
    at /data/althome/kdedevel/kde/src/KDE/libs/kdeui/kernel/kapplication.cpp:319
#20 0xb7cdd7fb in QCoreApplication::notifyInternal (this=0xbf8b69ec, 
    receiver=0x8151a10, event=0xbf8b6178) at kernel/qcoreapplication.cpp:532
#21 0xb73cb60e in qt_sendSpontaneousEvent (receiver=0x8151a10, 
    event=0xbf8b6178)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:205
#22 0xb73f3e2b in QKeyMapper::sendKeyEvent (keyWidget=0x8151a10, grab=false, 
    type=QEvent::KeyPress, code=16777220, modifiers=@0xbf8b6434, 
    text=@0xbf8b6468, autorepeat=<value optimized out>, count=1, 
    nativeScanCode=36, nativeVirtualKey=65293, nativeModifiers=0)
    at kernel/qkeymapper_x11.cpp:1601
#23 0xb73f5c0d in QKeyMapperPrivate::translateKeyEvent (this=0x80b2988, 
    keyWidget=0x8151a10, event=0xbf8b676c, grab=false)
    at kernel/qkeymapper_x11.cpp:1581
#24 0xb73d3deb in QApplication::x11ProcessEvent (this=0xbf8b69ec, 
    event=0xbf8b676c) at kernel/qapplication_x11.cpp:2946
#25 0xb73f6f84 in x11EventSourceDispatch (s=0x809fa50, callback=0, 
    user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:137
#26 0xb62181c6 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#27 0xb621b552 in ?? () from /usr/lib/libglib-2.0.so.0
#28 0x0809ecd0 in ?? ()
#29 0x00000000 in ?? ()
#0  0xb63f6f3b in nanosleep () from /lib/libc.so.6