October 11, 2016 — KB3194798 (OS Build 14393.321)

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

• Improved reliability of Bluetooth and storage file system.

• Addressed issue causing printer drivers to not install correctly after installing security update KB3170005.

• Addressed issue causing sign-in errors if a password is entered incorrectly or a new password doesn’t meet password complexity requirements after installing security update KB3167679.

• Addressed issue that required users to log out and log back in before using the application they installed using the Windows installer (MSI).

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

• Addressed issue that was causing excessive battery drain on Windows 10 Mobile when connected to Wi-Fi.

• Addressed issue in which setting up both fingerprint and iris recognition sometimes causes the sign-in to fail on Windows 10 Mobile.

• Addressed issue that was causing high CPU usage on Windows 10 Mobile.

• Addressed additional issues with multimedia playback, revised daylight saving time, authentication, Internet Explorer 11, and Windows Shell.

• Security updates to Microsoft Edge, Internet Explorer 11, Windows registry, and diagnostics hub.

For more information about the complete list of affected files, see KB3194798.