Quartz.dll – Pre Service Pack 2 Revision History for Windows 7 SP1, Windows Server 2008 R2 SP1 and Windows Small Business Server 2011 (SBS 2011)

26-Oct-2011 – 6.6.7601.21847 – Quartz.dll – x86/x64 – http://support.microsoft.com/kb/2631813 – MS12-004: Description of the security update for DirectShow: January 10, 2012

26-Oct-2011 – 6.6.7601.17713 – Quartz.dll – x86/x64 – http://support.microsoft.com/kb/2631813 – MS12-004: Description of the security update for DirectShow: January 10, 2012