https://www.bleepingcomputer.com/news/security/microsofts-ie-zero-day-fix-is-breaking-windows-printing/

Microsoft's temporary fix for a recently disclosed Internet Explorer zero-day vulnerability is causing numerous problems in Windows, including breaking printing for some users.

On January 17th, 2020, Microsoft disclosed a zero-day remote code execution vulnerability in Internet Explorer 11, 10, and 9 that was being used in "limited targeted attacks".