help :(

[wiserommer]

I've just tried to merge my partition that i made back into drive C, but i've got this problem...in disk 0 at the bottom it clearly stats that i have 465GB. However, if you look at the top iin drive C the maximum is 161GB, what have i done wrong?

can anyone help please.

http://img36.imageshack.us/i/44153231.jpg/