January 31, 2018—KB4077735 (OS Build 10240.17741)

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 an issue where WPF will sometimes consume a high percentage of CPU when the console session is not active, and a non-console session is active.

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

Symptom Workaround
After installing this update, some users may experience issues logging into some websites when using third-party account credentials in Microsoft Edge. This issue is resolved in KB4074596.


How to get this update

To get the standalone package for this update, go to the Microsoft Update Catalog website.

File information

For a list of the files that are provided in this update, download the file information for cumulative update 4077735.