Nokia 5800 Closing apps after opening

Related Posts:

• need urgent help to open internet in nokia 5800 hi,when i am trying to open internet in my 5800, it's opening for only 15 to 20 seconds. then it's closing automaticall. tryid  lots of times, but no change. it's closing after 15 secs. is there any solution for this problem. 
• Problems with shortcuts on 5800 homescreen I've had my 5800 xm for a few weeks now and initially it was great. As soon as I got my phone I updated the firmware to v 21.0.025. About a week ago or so the 4 shortcuts simply disappeared. When I touch the space where ...