Windows Server 2008 Patches : KB2510581 (missing size) and KB2607712 (no patch)

Windows Server 2008 Patches : KB2510581 (missing size) and KB2607712 (no patch)

Dear Forum,

I would like to ask patches for Windows Server 2008 :
1. KB2510581 (different size)
http://catalog.update.microsoft.com/v7/site/Search.aspx?q=kb2510581

2. KB2607712 (no patch availaible)
http://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB2607712

Thank you very much for support :)