Sorry for the inconvenience, PK.
We're working to narrow down what's up here. This isn't the first report of this, but at the same time, the problem does not appear to be universal.
If you have time and interest in doing so, it would help us out a ton if you could grab logs:
Edit: Links I post here get stripped. I'll send the link to Noel to post.
Thanks.
Pete
Microsoft