Hi, I work as an IT service engineer and I have exactly the same problem as the OP on my own PC. It noticed it late October after I did a routine scan with McAfee Virtual Technician (MVT) and it reported the Firewall core service had stopped and it couldn't fix it. I could however start the service myself and because of Windows 10 fast boot, it remains running ok unless the computer is restarted after which I find it has stopped. Here's a few points that might be of interest.
I've come to the conclusion that the problem lies with McAfee Virtual Technician on the latest version of Windows 10, but it'd be good to get some clarification from McAfee.
We discussed this on our last Conference Call. And yes we feel this to be the case as well. It has been reported to the proper team.
Hello -- Is there any more information yet on this firewall on-or-off issue? I posted something a day or two ago about it, too, so it's obviously ongoing.
Hi. On my previous post (12) I came to the conclusion that the Core Firewall Service not auto-starting was as it should be, and that I thought the problem was with McAfee Virtual Technician giving an incorrect result, a view catcaddy concurred with. Since then McAfee Virtual Technician on my computer has updated itself and is now saying everything is ok even with the CFS stopped, and so I'd assume it's mystery solved. As I said, I have used software to probe the computer's ports with CFS stopped and my security was said to be very high (stealth mode even).
It still would be good if somebody from McAfee could acknowledge and confirm this is the case though.
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