Set Preferences to ask you for permission to set and modify cookies. Load whatever URL that tries to set cookies. (The URL above, for ex.) Click No when a dialog asks for permission to set/modify cookies. Loading stops prematurely, and this can not be corrected by hitting Reload.
This is a dup of 52667. What's interesting here is that you are running on a mac platform. The data we have for 52667 is that it fails on linux and works on win32. But as far as I know, it hasn't been tested on a mac until now. *** This bug has been marked as a duplicate of 52667 ***