FB Connect Crashes IE8

When I click "Connect" it opens up the url:

/fb/channel?fb_xd_fragment#?=&cb=f17b2b284415d&relation=opener&transport=fragment&frame=<a bunch of data like session_key, base_domain, etc...>

And then IE8 crashes. It seems to work fine in Chrome and Firefox.

If I use compatibility mode, it doesn't crash, but the window doesn't close. I get a script error:

Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)
Timestamp: Mon, 21 Mar 2011 22:26:24 UTC

Message: 'FB.XD.resolveRelation(...).FB' is null or not an object
Line: 12
Char: 2430
Code: 0
URI: http://connect.facebook.net/en_US/all.js