In Windows Server 2012 R2 and Windows 8.1, additional capabilities are available to control how the CTLs are updated.
Click System and Security (outlined in red.) You can click on any of the images in this article to get a larger version.
But you can also get to them from this screen; they're provided as a shortcut to often-used options.
Here's how to manage automatic updating in Windows 7 (articles already exist on how to do this for Vista and XP).
Windows offers several options for it's automatic updates.
Updated: May 5, 2014Applies To: Windows 8.1, Windows Server 2012 R2The Windows Server 2012 R2, Windows Server 2012, Windows 8.1, and Windows 8 operating systems include an automatic update mechanism that downloads certificate trust lists (CTLs) on a daily basis.
Software that is out of date can be insecure, unreliable or both.