defenders

I have learnt all the skill moves in the game....i can do it against the PC and online as well. But is it even possible to do things that you see in the youtube??? you know what i mean......A single man skilling out the entire opponent defense. I can get past one defender and in some rare cases...

have ethernet connection for lan on a desk (xp sp2) and hp pavilion (vista)....wherever i share my laptop over network i get the foll error on trying 2 access shared drives of vista....take a look at this its somthing like some vista defenders r working on it but exactly wat? iv checked...