CTRL ALT DELETE close all non essiental programs, IE FIREFOX, UTORRENT, not that I know what utorrent is. ITUNES, AOL, anything else that isnt needed, there is also a way to divert more of the computer to the processes, Start control panel system properties, then, you will see general computer name hardware, goto advance (Performace Options) Advanced make sure you have a decent ammount in the paging, I use 2880. Or you can simply right click your My Computer on the Desktop. And it works fine for me
My specs for stomping 8 hard AI's Vs me and 1 AI on unfair/cruel Fortified specialty)
3.0 AMD 64 Processor 3800+
3.0 Ghz 3gb ram
You can also goto MSCONFIG in the run option of the start bar ADVANCE USERS ONLY I AM NOT RESPONSIBLE FOR YOU MESSING YOUR COMPUTER UP!!!!!!!!!!!!!!
and select start up and close all the crap that boots when you turn your computer on so it wont eat so much memory.