i want to uninstall all of them....
libqt-versit, -systeminfo, -serviceframework, -sensors, publishsubscribe ,-multimedia, -messaging, -location, -contact, -bearer


i do not know what is the use of all these .i do not know how they come in my device.so i want to remove all of them,and when i try it it says......

"unable to uninstall libqt-versit requaired by application packeges:qtm-maemo-metapackage(1.3-2+0m5)"

and same happaning with>>>

libqt-versit, -systeminfo, -serviceframework, -sensors, publishsubscribe ,-multimedia, -messaging, -location, -contact, -bearer


and there is no "qtm-maemo-metapackage(1.3-2+0m5)" in my installled application. also colud not find it to install from application manager