help fix lag

Ok im on
Windows Vista Ultimate
1gb ram
32 bit
Intel(R) Pentium(R) D CPU 2.80ghz 2.79GHz
I have gamebooster on.
I stoped like all processes except windows and battlefeild. any other way to fix my terrible laggin?? cuz im about to just kill myself with this lag dbb dbb dbb dbb

i have that problem too and i have 4gb ram, dual cpu 2,2ghz, windows black xp 32 game booster ...

Game booster. Go to cpanel and run disk check, fragmented stuffs... Clear shit up /fp