Our friends over at Bleeping Computer posted this article regarding an expiring root certificate at the end of December. The article warns DO NOT DELETE the certificate as issues can arise with the operating system if the certificate is removed. Many users often use their free time to clean up their computers. In the process please remember, NEVER remove root certificates that are listed in the necessary and trusted root certificates section as they are required for the OS to function properly. Happy Holidays!!
Cheers