[tsac]

The first thing you need to do is use normal font when on this site.

Your issue sounds like either corruption of the OS or you loaded an App that is causing a problem.
You can try doing a wipe to reload the BB back to factory and see if it clears. Then wait for a week or two to make sure the BB is ok. if you have not dropped it or got it wet then you should be able to resolve this problem.