This update includes quality improvements and security fixes. No new operating system features are being introduced in this update. Key changes include:

• Improved reliability of Internet Explorer 11, USB, and the .NET framework.

• Addressed issue with the link to "Change my environment variables" in the User Accounts Control Panel not working correctly.

• Addressed issue where a device, which previously had Internet access, has the incorrect time and date after joining a network with no Internet access to SSL servers.

• Addressed issue where someone with a mandatory profile can’t use the Start menu, Cortana, search, and some pre-installed apps.

• Addressed issue where, after installing a package using Windows Installer (MSI), customers can’t run any command line utility unless they restart or sign out and then sign in to their device.

• Addressed issue causing “Print all linked documents” to not work in Internet Explorer 11.

• Improved support for networks by adding new entries to the Access Point Name (APN) database.

• Removed the Copy Protection option when ripping CDs in Windows Media Audio (WMA) format from Windows Media Player.

• Addressed additional issues with excessive security logging, Windows Management Instrumentation (WMI), consumer storage, Add-On List Group Policy Object, mobile broadband, filter drivers, Internet Explorer 11, Windows Media Player, graphics, revised daylight saving time, and Windows Shell.

• Security updates to Internet Explorer 11, Microsoft Graphics Component, Microsoft Edge, Windows Secure Kernel Mode, Windows SMB Server, Windows kernel, Windows Lock Screen, and Adobe Flash Player.