Microsoft has released update KB4540673 for Windows 10 with the fix for security vulnerabilities, literally, on March 10. The update was not at all problem-free.
Users complain about the blue screen of death after installing the update. In most cases, victims report that a critical error is issued each time the PC is turned on and the only solution that works is the removal of the update. Particularly upset are those users whose system is updated automatically on their home and work computers. There are also complaints that the installation of the update takes too much time or just about failures during the installation. Some users again have a problem with a temporary user profile, which leads to a cleaner desktop. Microsoft has not yet recognized the existence of these flaws.