February 12, 2019—KB4487017 (OS Build 17134.590)

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Release Date:

Feb 12, 2019

Version:

OS Build 17134.590

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 fails to set the LmCompatibilityLevel value correctly. LmCompatibilityLevel specifies the authentication mode and session security.
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”.
Adds top-level domain support to HTTP Strict Transport Security (HSTS) Preload for Microsoft Edge and Internet Explorer 11.
Addresses an issue that prevents Microsoft Edge from loading webpages using a local IP address or a VPN connection.
Security updates to Microsoft Scripting Engine, Internet Explorer, Windows App Platform and Frameworks, Windows Graphics, Windows Input and Composition, Microsoft Edge, Microsoft Scripting Engine, Windows Storage and Filesystems, 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.

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Known issues in this update

Symptom	Workaround
After installing this update, some users cannot pin a web link on the Start menu or the taskbar.	This issue is resolved in KB4487029.
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 KB4487029.
After installing this update, Internet Explorer may fail to load images with a backslash (\) in their relative source path.	This issue is resolved in KB4487029.
Applications that use a Microsoft Jet database with the Microsoft Access 95 file format may randomly stop working.	This issue is resolved in KB4487029.
After installing this update, users may receive “Error 1309” while installing or uninstalling certain types of MSI and MSP files.	This issue is resolved in KB4489868.
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.	This issue is resolved in KB4493464.
Any compound document (OLE) server application that places embedded objects into the Windows Metafile (WMF) using the PatBlt API may display embedded objects incorrectly. For example, if you paste a Microsoft Excel worksheet object into a Microsoft Word document, the cells may render with a different background color.	This issue is resolved in KB4493464.
Certain operations, such as rename, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, “STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)”. This occurs when you perform the operation on a CSV owner node from a process that doesn’t have administrator privilege.	Do one of the following: Perform the operation from a process that has administrator privilege. Perform the operation from a node that doesn’t have CSV ownership. Microsoft is working on a resolution and will provide an update in an upcoming release.

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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

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 4487017.

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