I'm no guru, but until the calvary arrives...why don't you log off, clear your cookies and log back in? Couldn't hurt.

Comment hidden because you are ignoring dag. (show it anyway)

Yeah, let us know if that didn't work. Send us a mail if you can't comment. Also, check that your Javascript is turned on.

I've seen that a few times, where on a certain video page the Sift just hangs on a vote. I bookmarked those posts, came back, and the next day or a week later it worked. I'll be reporting them again if it repeats itself.