If McAfee detects something as malware it encrypts it and quarantines it so it would be most likely undetectable by anything else. It's also quite common for one anti-malware application to miss something that another one detects, so it could be that too.
Have you looked under 'Quarantined and Trusted items' in SecurityCenter > Navigation ? There are 3 sections there and it should show up in one of those 'drawers' with more details than those showing in the summary you are looking at.
If you feel it's a mistake, which is always possible, read here: https://community.mcafee.com/thread/2016
Hi again Peter,
I did as you suggested and checked the "Quarantined and Trusted items" area (all 3 of them). The "Quarantined items" section did not show anything at all except some circular icon which kept going around and around for over 10 minutes, as if searching, but never displayed anything at all.
When I checked the next section entitled, "Quarantined - Potentially Unwanted Programs"...the exact same thing occurred as mentioned above - - nothing at all was displayed except that continually rotating icon.
The last section of the 3 showed absolutely nothing...not even that rotating icon as previously noted.
I'll go and read what's on that link you posted in your message above next.
Thanks very much again for all your time and help!
That circular rotating thing shows that there are many files in there and you have to wait for them to load, it takes a while sometimes.