If you have been holding off on connecting your Xbox 360 to the Internet for a few days due to fears that the update will only cause you problems, you were probably very smart, but now you can go ahead and connect up, as Major Nelson reports the problem that was bricking consoles has been fixed.
An updated version of the Fall Update is now available on Xbox Live which has elminated issues relating to new or refurbished consoles failing after applying the Fall Update. Users who have already applied the Fall Update and are seeing an error message should call their local Xbox Support telephone number. If you already have the update, you will not be prompted for another update.