Help me real quick

Hi. Umm yea I have a problem. does anybody now how to make your character not fall through the floor when you jump and walk through the walls with Ease… LOL. Hears the blend. Just help me out. U can have the blend if you help me out. Oh yea its controlled by an empty thats a cube. Help…

http://www.filefront.com/14241991/LV1.blend

Your problem is in radius of bounding box increase it to 1 or more

PS. I suggest you not to use Loc for jump, Force, LinV and Servo motion are much better

OK. thanks