some times when that im playing a wep will drop and i cant pick it up and there is nothing in my invintory?

i get the same problem but only in cata and i just thought it was because i lag because i have dialup.

It can be because you haven't taken enough actions (healed/attacked). You have to take a certain amount of actions to be able to pick up items.

It seems like other times it can happen, too, though. I attribute it to lag, but who knows.

Lag.

because after a battle there we be for example a sword and im clikcing and clicking and nuttin is happenening and then 5 seconds ladder the creater of the cata moves on to continue