Description of problem:
After last update ( June 26 ) the system doesn't startup properly regarding the kde graphical environment, unless started in failsafe mode.
I also installed the kvm stack.

Version-Release number of selected component:
kde-runtime-drkonqi-4.10.4-1.fc18

Additional info:
reporter:       libreport-2.1.4
backtrace_rating: 4
cmdline:        /usr/libexec/kde4/drkonqi -display :0 --appname kwin --apppath /usr/bin --signal 6 --pid 1751 --appversion 4.10.4 --programname KWin --bugaddress submit.org --startupid 0
core_backtrace: 
crash_function: __cxxabiv1::__cxa_rethrow
executable:     /usr/libexec/kde4/drkonqi
kernel:         3.9.6-200.fc18.x86_64
runlevel:       N 5
uid:            1000
xsession_errors: 

Truncated backtrace:
Thread no. 1 (7 frames)
 #5 __cxxabiv1::__cxa_rethrow at ../../../../libstdc++-v3/libsupc++/eh_throw.cc:116
 #6 QCoreApplication::notifyInternal at kernel/qcoreapplication.cpp:952
 #7 sendEvent at ../../src/corelib/kernel/qcoreapplication.h:231
 #8 QApplication::setWindowIcon at kernel/qapplication.cpp:2134
 #9 KApplicationPrivate::parseCommandLine at /usr/src/debug/kdelibs-4.10.4/kdeui/kernel/kapplication.cpp:845
 #10 KApplicationPrivate::init at /usr/src/debug/kdelibs-4.10.4/kdeui/kernel/kapplication.cpp:478
 #11 KApplication::KApplication at /usr/src/debug/kdelibs-4.10.4/kdeui/kernel/kapplication.cpp:352