Just a quick post to my forgotten blog, a recent McAfee update decided to push two intermediate certs into the trusted root store on the machine account….you can imagine the fall out in terms of TLS issues, plenty of EVENT ID 32178 errors amongst others.
McAfee have kindly flagged it and provided solution detail;
https://kc.mcafee.com/corporate/index?page=content&id=KB87705
dat800 