We are changing hotfix download procedure. It is not finished by we are on the way.
So you can try to download NAV hotfix if you know Kb article for bug you want to correct.For example:
One more trick: if you know KB article No# you can add it directly to link http://support.microsoft.com/hotfix/KBHotfix.aspx?kbnum=968411&kbln=en-us and you can download fix.
Here is a new update of the platform update list. Microsoft is not making it easy on my. They are providing