Application that crashed: kcmshell4
Version of the application: 
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-18-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
While i was changing some settings (visual) when updates were installing it sudden crashed.......

 -- Backtrace:
Application: KDE Control Module (kcmshell4), signal: Segmentation fault
[KCrash Handler]
#6  0x004feaa0 in QDataStream::operator>>(int&) () from /usr/lib/libQtCore.so.4
#7  0x0023763d in KServiceFactory::KServiceFactory() () from /usr/lib/libkdecore.so.5
#8  0x0023798c in KServiceFactory::self() () from /usr/lib/libkdecore.so.5
#9  0x0022ce0f in KService::serviceByMenuId(QString const&) () from /usr/lib/libkdecore.so.5
#10 0x00232c42 in KService::serviceByStorageId(QString const&) () from /usr/lib/libkdecore.so.5
#11 0x00f5f9ff in ?? () from /usr/lib/libkdeinit4_kcmshell4.so
#12 0x00f61b65 in kdemain () from /usr/lib/libkdeinit4_kcmshell4.so
#13 0x0804865b in _start ()

Reported using DrKonqi