do you have CSSU installed on your phone???
if you do then i wont be any problem at all but as i recalled your problem is base on hildon desktop...i suggest you update your hildon desktop to the latest...
i did have the same problem like you before but after i update my hildon desktop the problem solved...

if you want to know how to update hidden files from HAM there two way....
1.using FAM (faster application manager)...install it if you dont have it on your phone...if you do the update your catalog..as soon as you catalog have been updated then go to upgrade applications..at this you might see some upgrade files but if you press the category filter (C button on the below right sides) choose all packages (advanced)...if you do this then all hidden update will be show up...then you can apdate all...
2. using x-terminal....open your x-term then type...

root
apt-get update
apt-get upgrade

this is the way to update hidden files on your phone...