McAfee releases updates regularly. Some of these updates require a restart of your computer in order to complete the update process. And if any of the update is not istalled in the appropriate way is shoud be, we might get a pop up to restart the computer , while opening security center.
Please take a back up of registry (For information about how to back up, restore, and edit the registry, see the following Microsoft Knowledge Base article: http://support.microsoft.com/kb/256986/EN-US/.
And then navigate to :
Hkey_LocalMachine – Software – McAfee – And the delete the volatile folder.
Restart the computer and then try to open security center , everything should work fine. Please keep me posted on this, if you still experience the problem .
McAfee Online Community Moderator