February 12, 2019—KB4487018 (OS Build 10240.18132)


Improvements and fixes


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

  • Addresses an issue that may prevent some applications from displaying the Help (F1) window correctly. 
  • Addresses an issue that may cause third-party applications to have difficulty authenticating hotspots. 
  • Addresses an issue that may prevent applications that use a Microsoft Jet database with the Microsoft Access 97 file format from opening. This issue occurs if the database has column names greater than 32 characters. The database fails to open with the error, “Unrecognized Database Format”.
  • Addresses an issue in which Windows 10 clients that authenticate to 802.1x WLAN access points fail to apply group policy permissions, run scripts, or retrieve roaming profiles at user logon. This occurs because Kerberos authentication fails for \\domain\sysvol, \\domain\netlogon, and other DFS paths. 
  • Optimizes layout recalculation in Internet Explorer 11 for customer applications on server platforms.
  • Updates time zone information for Chile. 
  • Addresses an issue that causes the clock and the calendar flyout to ignore user settings for Japanese Era date and time formats. For more information, see KB4469068.
  • Enables the 元年 character for the first year in the Japanese Era. For more information, see KB4469068.
  • Addresses an issue that fails to display the correct Japanese Era name in Microsoft Office Visual Basic for Applications. For more information, see KB4469068.
  • Addresses an issue that causes the abbreviated Japanese Era names to be incorrect. For more information, see KB4469068.
  • Adds top-level domain support to HTTP Strict Transport Security (HSTS) Preload for Microsoft Edge and Internet Explorer 11.
  • Security updates to Microsoft Scripting Engine, Windows Graphics, Microsoft Graphics Component, Windows Kernel, Windows Input and Composition, Windows Wireless Networking, Windows Server, 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, please refer to the Security Update Guide.

Known issues in this update


Symptom Workaround
After installing this update, Internet Explorer may fail to load images with a backslash (\) in their relative source path.

This issue is resolved in KB4491101.

Applications that use a Microsoft Jet database with the Microsoft Access 95 file format may randomly stop working.

This issue is resolved in KB4489872.

After installing this update, the first character of the Japanese era name is not recognized as an abbreviation and may cause date parsing issues.

This issue is resolved in KB4489872.

After installing this update, users may receive “Error 1309” while installing or uninstalling certain types of MSI and MSP files.

IThis issue is resolved in KB4489872.

After installing this update, MSXML6 causes applications to stop responding if an exception was thrown during node operations, such as appendChild(), insertBefore(), and moveNode().

The Group Policy editor may stop responding when editing a Group Policy Object (GPO) that contains Group Policy Preferences (GPP) for Internet Explorer 10 settings.
Microsoft is working on a resolution and will provide an update in an upcoming release.

 

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 (KB4093430) 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

This update will be downloaded and installed automatically from Windows Update. 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 4487018