Cheat Engine

[alicid]

ok i went through tut and i am new so please don't get upset. I use Basic CE to try and hack flash games. Lets say i'm trying to get money i start off with 0. so i add my process to firefox and open game. i start game then pause it. In CE i do a first seach, Exact value, Double. Ok so i find address yay. Then i'll unpause the game get a few bucks and pause agin. In CE this time i search for a value of 60 next search, Exact, and double, this time i'll get one or two addresses but the vakues are ??. I can't change the values at all and i'm confused it all worked properly in tut. Also i'm running vista may that be the cause?. TY hope to learn more about hacking and i am a C++ and VB.net programmer.