Re: Vista problems
If it doesn’t work on the default BuddyPress theme that comes with BuddyPress, it’s not going to work on third-party themes.
13. the page just goes blank at login on IE7
If you look at your web server/php error log when this happens, is any message given? Also, if you disable BuddyPress and log in on IE7 via http://yoursite.com/wp-admin/, does that work?