Yesterday McAfee Security Center upgraded to a new build (14.0.4113), updating everything from Anti-Virus to Firewall and Anti-Spam. The update took longer than usual, which is understandable given the number of components it was upgrading, but today's update was equally slow. On checking afterwards, it looks like its reinstalled the same build all over again, as the entries for Security Center and Anti-Virus/Spyware have changed to 13/08/2015. All the other entries still say 12/08/2015 though, so I can't tell if this is a glitch on my part and it needs investigating or if this was supposed to happen. MVT doesn't find any issues.
I can concur with Colleague Ex_Brit, that I was updated to the current 'Engine Version' of Anti-Virus today @ 1:29pm.
Being 2343.0 as the most current version.
Mine's also updated to 2343.0 (manual update). I just found it odd how the Security Center build updated again as well. I'm hoping nothing's gone wrong during the update process as that would probably require an uninstall/reinstall.