Physical Response help

[SuperLarryo]

Physical Response is not doing what it says it should. Does it make a difference if I have the demo version? Do I have the old physical response to work with? In any case, I can't make a decent platform game with it. What is my alternative? I've tried making wire regions around an object, but it freaks out when I jump into it. It seems I am not even capable of making a simple wall. I thought this was supposed to be easy! Someone please show me how I'm supposed to make a decent wall, so I'm not walking through my objects like I'm a ghost. It's not only making me mad, but it's making me feel stupid.