And E

I was having the same trouble, I finally was about to give up, but I decided I would try one last thing.

I went to the harddrive and erased all halo2 data... although it is still downloading it appears to be getting the files at the very least.

I believe the problem may have something to do with either the Map - Pack Game disc I used to update my 360 or something in the halo2 cache after the first failed attempt to download the maps without the linked credit card...

good luck to the rest of you

~And E