August 8, 2017—KB4034658 (OS Build 14393.1593)

Applies to: Windows 10, version 1607Windows Server 2016

Improvements and fixes


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

  • Addressed issue where apps sometimes launch with a border when a device is in Tablet mode.
  • Addressed issue introduced in the June updates where some applications may not launch when a device resumes from Connected Standby mode.
  • Security updates to Windows kernel-mode drivers, Microsoft Windows Search Component, Microsoft Windows PDF Library, Internet Explorer, Microsoft Scripting Engine, Common Log File System Driver, Windows Server, Windows Hyper-V, and the Microsoft JET Database Engine.

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

For more information about the resolved security vulnerabilities, see the Security Update Guide.

Known issues in this update


Symptom Workaround
“Update History” does not list previously installed updates.

As an alternative, to see which quality updates have been applied, navigate to the inventory by going to Control Panel -> Programs -> “View Installed Updates”

This issue is resolved with KB4039396. KB4039396 will not restore lost update history or lost hidden updates. You can, however, install KB4039396 instead of this update without causing these symptoms.

Updates that were previously hidden may be offered after installing this update.

Updates that were previously hidden can be hidden again.

This issue is resolved with KB4039396. KB4039396 will not restore lost update history or lost hidden updates. You can, however, install KB4039396 instead of this update without causing these symptoms.

WSUS servers will exhibit increased CPU, memory, and network utilization when Windows Update clients perform their first scan after installing KB4034658. This issue is resolved with KB4039396. Users who installed KB4034658 without installing KB4039396 will still perform a full scan.

 

How to get this update


This update will be downloaded and installed automatically from Windows 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 4034658.