Version:            (using KDE 4.2.2)
OS:                Linux
Installed from:    Mandriva RPMs

Open dolphin using sudo, and the desktop crashes and X restarts. whine log back in I get a plasma error

Application: Plasma Workspace (plasma), signal SIGSEGV
[Current thread is 1 (Thread 0xb4b6cae0 (LWP 6349))]

Thread 3 (Thread 0xa944bb90 (LWP 6350)):
#0  0xffffe424 in __kernel_vsyscall ()
#1  0xb5158c45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/libpthread.so.0
#2  0xb7f758dd in pthread_cond_wait () from /lib/i686/libc.so.6
#3  0xb67c65eb in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb5206704 in ?? () from /usr/lib/libQtNetwork.so.4
#5  0xb67c54df in ?? () from /usr/lib/libQtCore.so.4
#6  0xb5155315 in start_thread () from /lib/i686/libpthread.so.0
#7  0xb7f6825e in clone () from /lib/i686/libc.so.6

Thread 2 (Thread 0xa8bf1b90 (LWP 6354)):
#0  0xffffe424 in __kernel_vsyscall ()
#1  0xb5158c45 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/libpthread.so.0
#2  0xb7f758dd in pthread_cond_wait () from /lib/i686/libc.so.6
#3  0xb67c65eb in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xa970e3e6 in ?? () from /usr/lib/kde4/plasma_wallpaper_image.so
#5  0xb67c54df in ?? () from /usr/lib/libQtCore.so.4
#6  0xb5155315 in start_thread () from /lib/i686/libpthread.so.0
#7  0xb7f6825e in clone () from /lib/i686/libc.so.6

Thread 1 (Thread 0xb4b6cae0 (LWP 6349)):
[KCrash Handler]
#6  0xb68d9709 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#7  0xa952cba5 in TaskManager::AbstractGroupingStrategy::groupRemoved () from /usr/lib/libtaskmanager.so.4
#8  0xa952d84c in TaskManager::AbstractGroupingStrategy::closeGroup () from /usr/lib/libtaskmanager.so.4
#9  0xa9534440 in ?? () from /usr/lib/libtaskmanager.so.4
#10 0xa9535139 in ?? () from /usr/lib/libtaskmanager.so.4
#11 0xb68d7e45 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#12 0xb68d96e5 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#13 0xa9546575 in TaskManager::TaskGroup::itemRemoved () from /usr/lib/libtaskmanager.so.4
#14 0xa9546d31 in TaskManager::TaskGroup::remove () from /usr/lib/libtaskmanager.so.4
#15 0xa9530649 in TaskManager::GroupManager::remove () from /usr/lib/libtaskmanager.so.4
#16 0xa9531bfa in TaskManager::GroupManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#17 0xb68d7e45 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#18 0xb68d96e5 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#19 0xa9549c15 in TaskManager::TaskManager::taskRemoved () from /usr/lib/libtaskmanager.so.4
#20 0xa954b316 in TaskManager::TaskManager::windowRemoved () from /usr/lib/libtaskmanager.so.4
#21 0xa954d285 in TaskManager::TaskManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#22 0xb68d7e45 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#23 0xb68d96e5 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#24 0xb798bd25 in KWindowSystem::windowRemoved () from /usr/lib/libkdeui.so.5
#25 0xb798e808 in ?? () from /usr/lib/libkdeui.so.5
#26 0xb799e845 in NETRootInfo::update () from /usr/lib/libkdeui.so.5
#27 0xb799ebdd in NETRootInfo::event () from /usr/lib/libkdeui.so.5
#28 0xb798eab9 in ?? () from /usr/lib/libkdeui.so.5
#29 0xb783df03 in KApplication::x11EventFilter () from /usr/lib/libkdeui.so.5
#30 0xb8017774 in ?? () from /usr/lib/libkdeinit4_plasma.so
#31 0xb6ba564f in ?? () from /usr/lib/libQtGui.so.4
#32 0xb6bb9208 in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#33 0xb6be4714 in ?? () from /usr/lib/libQtGui.so.4
#34 0xb4f3ecea in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#35 0xb4f42354 in ?? () from /usr/lib/libglib-2.0.so.0
#36 0xb4f424df in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#37 0xb68ee1da in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#38 0xb6be3e6a in ?? () from /usr/lib/libQtGui.so.4
#39 0xb68bf903 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#40 0xb68bfd51 in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#41 0xb68c22b6 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#42 0xb6b3f804 in QApplication::exec () from /usr/lib/libQtGui.so.4
#43 0xb8006a22 in kdemain () from /usr/lib/libkdeinit4_plasma.so
#44 0x0804856f in _start ()