i'm having the same error. I've tried everything the OP tried. my pc was working just fine earlier today, but having recently bought 4 gigs of ram 1gig sticks, I thoguht i'd go ahead and utilize them by installing win7 x64. Now after wiping my system partition i tried installing from 3 diff dvds burnt at diff speeds and also tried booting from an 8 gig flash drive all with the same end result.
while expanding the windows files during setup i get the error 0x80070570 at around 60%-65%.
I'm using a Dell dimension e520
q6700 2.66ghz quad core proccesor
4x1gb ddr2 pc5300 ram
600w PSU (corsair)
256mb ati vid card
as i have no system drive i cant use the pc and its making me mad. any ideas as to what might be causing this?
it worked earlier today just after trying to install win7 no beans....