March 22, 2017—KB4016637 (OS Build 10240.17320)

Applies to: Windows 10

Improvements and fixes


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

  • Addressed a known issue with KB4012606 that caused form display issues with CRM 2011 on Internet Explorer 11.

If you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.

Known issues in this update


Microsoft is not currently aware of any issues with this update.

How to get this update


To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

  • Update replacement information
    This update replaces the previously released update KB4012606.
  • File information
    For a list of the files that are provided in this update, download the
    file information for cumulative update KB4016637. If you're installing a Windows 10 update for the first time, the package size for the X86 version is 502 MB and the package size for the x64 version is 1,074 MB.