http://blogs.technet.com/brad_rutkowski/archive/2007/06/27/are-there-pending-operations-waiting-for-a-reboot.aspxSometimes you might log onto a server and wonder if there have been patches installed and thing needs to be rebooted. Well if the patch wanted to replace a file that was in use by the system (like NTFS for example) then it populates a certain key in theenCommunityServer 2.1 SP1 (Build: 61025.2)