February 19, 2019—KB4487029 (OS Build 17134.619)

Improvements and fixes

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

• Enables media content to play e-learning content with plug and play USB adapter cables on Microsoft Edge.

• Ensures that windowed ActiveX content inside an iframe scrolls along with other page content in Internet Explorer 11 during a user-triggered scroll operation.

• Addresses an issue that causes app-specific registry keys to be deleted after updating an application.

• Updates time zone information for Chile.

• Addresses an audio compatibility issue when playing newer games with 3D Spatial Audio mode enabled through multichannel audio devices or Windows Sonic for Headphones.

• Addresses an issue that prevents some users from pinning a web link to the Start menu or the taskbar.

• Addresses an issue in which the desktop lock screen image set by a group policy will not update if the image is older than or has the same name as the previous image.

• Improves performance related to case-insensitive string comparison functions such as _stricmp() in the Universal C runtime.

• Addresses an issue with evaluating the compatibility status of the Windows ecosystem to help ensure application and device compatibility for all updates to Windows.

• Improves the reliability of the UE-VAppmonitor.

• Addresses an issue that fails to update a user hive when you publish an optional package in a Connection Group after the Connection Group was previously published.

• Addresses an issue that allows files protected by Windows Information Protection to be transferred using Bluetooth to an unmanaged machine.

• Addresses an issue that occurs with the Internet Explorer proxy setting and the out of box experience (OOBE) setup. The initial logon stops responding after Sysprep.

• Addresses an issue that prevents a user from deleting a wireless network profile in some scenarios.

• Addresses an issue that may cause a “STOP 0x1A” error when you use certain applications or log in or log out of a system.

• Addresses an issue in the Timeline feature that causes File Explorer to stop working for some users.

• Addresses an issue that causes the Photos app to stop working when it’s used from the Mail app.

• Addresses an issue in the PLMDebug.exe tool that loses debug sessions when used with a Universal Windows Platform (UWP) app.

• Improves Always On VPN (AOVPN) reconnect and disconnect functionality.

• Addresses an issue that fails to recognize the first character of the Japanese era name as an abbreviation and may cause date parsing issues.

• Addresses an issue that may prevent Internet Explorer from loading images that have a backslash (\) in their relative source path.

• Addresses an issue that may cause applications that use a Microsoft Jet database with the Microsoft Access 95 file format to randomly stop working.

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

How to get this update

Before installing this update

Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security fixes. For more information, see Servicing stack updates.

If you are using Windows Update, the latest SSU (KB4485449) will be offered to you automatically. To get the stand-alone package for the latest SSU, go to the Microsoft Update Catalog. 

Install this update

To download and install this update, go to Settings > Update & Security > Windows Update and select Check for updates.

To get the stand-alone 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 4487029.