KB4556804

Updates to improve security when using Internet Explorer and Microsoft Edge.

Updates to improve security when using input devices such as a mouse, keyboard, or stylus.

Updates to improve security when Windows performs basic operations.

Updates for storing and managing files.

Addresses an issue that occurs when a third-party application loads hidden tabs into Internet Options.

Addresses an issue that prevents certain apps from installing if they are published using a Group Policy Object.

Addresses an issue that prevents Microsoft User Experience Virtualization (UE-V) settings from roaming to enable the signature files that are used for new messages, forwarded messages, and replies.

Updates the 2020 start date for daylight saving time (DST) in the Kingdom of Morocco.

Security updates to Internet Explorer, the Microsoft Scripting Engine, Windows App Platform and Frameworks, Windows Input and Composition, Windows Media, Windows Shell, Microsoft Edge, Windows Update Stack, Windows Fundamentals, Windows Cryptography, Windows Kernel, Windows Core Networking, Internet Information Services, Windows Network Security and Containers, Windows Active Directory, Windows Storage and Filesystems, and the Microsoft JET Database Engine.