Problem: unable to uninstall any applications
 

hi today i was trying to uninstall kobo deluxe trough applicaiton manger it told me it couldn't ( when i try to run kobo deluxe it just crashes)

no i restored factory and when i go to uninstall in the application it says that there are no applications kindly advice as this is riving me nuts

also my media player cant seem to read the music files on the n900???