Whoa, I don't think you need to wipe anything yet (and being a new member, li2327, it would be kind to give some hint of how to do what you are recommending). Wiping a handheld is a drastic measure for someone.
But for now, first, look at Options > Security > General Settings > Content Protection = Enabled (if it is) and Include Address Book = NO.
Likewise, it could be low memory on your device. Look at Options > Status. What is the number stated at File Free