Windows 10 version 1511 gets KB3140743 cumulative update

Microsoft quietly releases cumulative update KB3140743 for Windows 10 version 1511 with various improvements and fixes, and the company also rolls out update KB3139907 with unknown changes.

Windows 10 cumulative update KB3140743

Patch Tuesday usually happens the second Tuesday of each month, but for March is happening during the first week. Today, March 1, 2016, Microsoft begins to roll out two new updates for Windows 10 version 1511 (non-Insider).

Described as KB3140743, Microsoft labels this release as “Cumulative Update for Windows 10 Version 1511 and Windows Server 2016 Technical Preview 4: March 1, 2016” and brings Windows 10 from version 10586.104 to 10586.122.

There are not new features or security fixes, but the cumulative update has a number of fixes and improvements, including:

  • Improved reliability in the operating system and Windows Update installation, startup, installing and configuring Windows for the first time, authentication, resuming from hibernation, shutdown, kernel, Start menu, storage, Windows Hello, display modes, Miracast, AppLocker, Internet Explorer 11, Microsoft Edge, network connectivity and discovery, and File Explorer.
  • Improved performance in video thumbnail generation, NetLogon, Windows Store, and standby power consumption.
  • Improved support for devices including some wearables, displays, and printer scenarios.
  • Improved support for apps, fonts, graphics and display, airplane mode, Group Policy, PowerShell MDM, Windows Journal, Microsoft Edge, printing, touch display, roaming credentials, Push-Button Reset, Windows UX, local and streaming video, audio quality, error reporting, USMT, and VHD creation.
  • Improved quality of Cortana voices and translations of multiple languages of an Internet Explorer dialog box.
  • Fixed an issue causing favorites to be lost after updates are installed.
  • Fixed several issues that individually could cause certain apps to fail to launch, update, or allow in-app purchases.
  • Reset app default when a registry setting is deleted or corrupted and streamlined notification about the corruption.

Windows 10 update KB3139907

In addition, Microsoft is also rolling out a new update described as KB3139907, which the company labels as “Servicing stack update for Windows 10 Version 1511 and Windows Server 2016 Technical Preview 4: March 1, 2016”. The update doesn’t appear in the Windows 10 Update history page, but according to the Microsoft support site, KB3139907 is an update that “makes stability improvements for Windows 10 Version 1511 and Windows Server 2016 Technical Preview 4 servicing stack.”

KB3140743 and KB3139907 are available immediately through Windows Update for computers that aren’t part of the Insider program, and it’ll download and install automatically. However, you can always go to Settings > Update & security> Windows Update and manually force the download.

Source Windows 10 Update History, Microsoft Support via Windows Central

About the author

Mauro Huculak is a Windows How-To Expert who started Pureinfotech in 2010 as an independent online publication. He has also been a Windows Central contributor for nearly a decade. Mauro has over 14 years of experience writing comprehensive guides and creating professional videos about Windows and software, including Android and Linux. Before becoming a technology writer, he was an IT administrator for seven years. In total, Mauro has over 20 years of combined experience in technology. Throughout his career, he achieved different professional certifications from Microsoft (MSCA), Cisco (CCNP), VMware (VCP), and CompTIA (A+ and Network+), and he has been recognized as a Microsoft MVP for many years. You can follow him on X (Twitter), YouTube, LinkedIn and Email him at [email protected].