I posted a thread here earlier about wav files being blank. Someone replied yet I am not able to reply to my own thread, there is no link to do so. i tried logging in and out and nothing. Just wanted to let you know and this has happeend many times already actually.
After you log out, make sure to clean out your browser's cache completely, not just the history and not just the cookies. Get rid of site preferences and and session data as well. The free app CCleaner works well for that if doing it in your browser isn't enough.