If you mean you can't access Share Your Work -- a few members have had this problem lately. It's a pain in the rear, but the usual way to fix this is:
Clear your browser's cookies*
Close your browser, then restart it
Sign back into AW
Go into Share Your Work supplying the vista password when prompted
Try this please and post if any problems?
* If using Internet Explorer, select Tools > Internet Options > Delete button. If using Firefox, select Tools > Clear Private Data
-Derek