Hi Davman, Thanks for the Screenshots
I'm not convinced that there is any Malware on your computer as all the logs have come back Clean, It could be that it was there but is there no longer.
What I would like you to do is open up the message again in the action center and select "archive this message". Then see how the computer behaves for the next day or two and see If the message returns. I doubt it will
Also because it was detected by Windows I would like you to check with one of their tools.
Click on the Windows orb and type "MRT" into the box, You should see a program on the open list. Open this program and run it and see if it finds anything.
Let me know either way how you got on.