[bug] Auction House: all items are Expired

After re-installing the game, no matter which item I search for or sell shows as expired, also when I post my items to sell on AH, doesn't show the cancel button anymore.

here 3 pictures of the problem:

http://imageshack.us/photo/my-images/401/screenshot000c.jpg/
http://imageshack.us/photo/my-images/18/screenshot001gm.jpg/
http://imageshack.us/photo/my-images/534/screenshot002yp.jpg/