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Release Date:

1/17/2019

Version:

OS Build 14393.2759

Windows 10, version 1607, reached end of service on April 10, 2018. Devices running Windows 10 Home or Pro editions will no longer receive monthly security and quality updates that contain protection from the latest security threats. To continue receiving security and quality updates, Microsoft recommends updating to the latest version of Windows 10.

IMPORTANT: Windows 10 Enterprise and Windows 10 Education editions will receive six months of additional servicing at no cost. Devices on the Long-Term Servicing Channels (LTSC) will continue to receive updates until October 2026 per the Lifecycle Policy page. Windows 10 Anniversary Update (v. 1607) devices running the Intel “Clovertrail” chipset will continue to receive updates until January 2023 per the Microsoft Community blog.

Windows Server 2016 Standard edition, Nano Server installation option and Windows Server 2016 Datacenter edition, Nano Server installation option reached end of service on October 9, 2018. These editions will no longer receive monthly security and quality updates that contain protection from the latest security threats. To continue receiving security and quality updates, Microsoft recommends updating to the latest version of Windows 10.

Windows 10 Mobile, version 1607, reached end of service on October 8, 2018. Devices running Windows 10 Mobile and Windows 10 Mobile Enterprise will no longer receive monthly security and quality updates that contain protection from the latest security threats. To continue receiving security and quality updates, Microsoft recommends updating to the latest version of Windows 10.

 

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 in Microsoft Edge that fails to trigger the focusin event if the focus event listener of an element shifts focus to another element.

  • 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.

  • Addresses a reliability issue during which File Explorer stops working without self-recovery after at least several days of uptime.

  • Addresses an issue that causes BitLocker Network Unlock to fail on generation 2 virtual machines when it’s used in a network that only supports IPv4.

  • Addresses an issue that causes catalog signed scripts, including those shipped as part of Windows, to incorrectly generate a Windows Defender Application Control (WDAC) failure audit event.

  • Addresses boot failure issues that occur when you restart certain hyperconverged infrastructure (HCI) virtual machines.

  • Addresses issues with taking snapshots on hyperconverged Storage Spaces Direct (S2D) cluster nodes.

  • Addresses an issue that causes Scheduled Tasks created in a disabled state to not run.

  • Addresses an issue that prevents volumes from going online as expected when you add back drain nodes during maintenance.

  • Addresses an issue that prevents you from overwriting a file in a shared folder because of an Access Denied error when a filter driver is loaded.

  • Addresses an issue that may cause third-party applications to have difficulty authenticating hotspots.

  • Addresses an issue that fails to decrement the dirty region tracking reference count when a storage repair job is running on hyperconverged Storage Spaces Direct (S2D) cluster nodes.

  • Addresses an issue that causes the PowerShell Desired State Configuration (DSC) pull server to return “ResourceNotFound (404)” after the Internet Information Services (IIS) application pool is recycled. The Application Log contains Extensible Storage Engine (ESENT) Event ID 623, which indicates that the store version is incorrect. This update adds functionality to configure the version store size to resolve this issue. For more information, see KB4487527.

  • Addresses an issue that causes RemoteApp windows to disappear and reappear intermittently on Windows Server 2016.

  • Addresses an issue that throws an exception when instantiating SqlConnection after you install the August Preview of Quality Rollup or September 11, 2018 .NET Framework update.

  • 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.

  • Addresses an issue that can overwrite gan-nen support behavior for the Japanese Era with a newer update. For more information, see KB4469068.

  • Addresses an issue that fails to recognize the first character as the abbreviation for the Japanese Era name. 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.

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

Windows Update Improvements

Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn't apply to long-term servicing editions.

Known issues in this update

Symptom

Workaround

For hosts managed by System Center Virtual Machine Manager (SCVMM), SCVMM cannot enumerate and manage logical switches deployed on the host after installing the update.

Additionally, if you do not follow the best practices, a stop error may occur in vfpext.sys on the hosts.

This issue is resolved in KB4507459.



After installing this update on Windows Server 2016, instant search in Microsoft Outlook clients fail with the error, "Outlook cannot perform the search".

This issue is resolved in KB4487026.

After installing KB4467691, Windows may fail to start on certain Lenovo and Fujitsu laptops that have less than 8 GB of RAM.

Restart the affected machine using the Unified Extensible Firmware Interface (UEFI). Disable Secure Boot and then restart.

If BitLocker is enabled on your machine, you may have to go through BitLocker recovery after Secure Boot has been disabled.

Lenovo and Fujitsu are aware of this issue. Please contact your OEM to ask if there is a firmware update available for your device.

After changing file association defaults, some icons in the taskbar appear incorrectly.

This issue is resolved in KB4487026.

Applications that use a Microsoft Jet database with the Microsoft Access 97 file format may fail to open if the database has column names greater than 32 characters. The database will fail to open with the error, “Unrecognized Database Format”.

This issue is resolved in KB4487026.

After installing KB4467684, the cluster service may fail to start with the error “2245 (NERR_PasswordTooShort)” if the Group Policy “Minimum Password Length” is configured with greater than 14 characters.

Set the domain default "Minimum Password Length" policy to less than or equal to 14 characters.

Microsoft is working on a resolution and will provide an update in an upcoming release.

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 KB4487006.

After installing this update, Internet Explorer 11 and other applications that use WININET.DLL may have authentication issues. This occurs when two or more people use the same user account for multiple, concurrent login sessions on the same Windows Server machine, including Remote Desktop Protocol (RDP) and Terminal Server logons. Symptoms reported by customers include, but may not be limited to:

  • Cache size and location show zero or empty.

  • Keyboard shortcuts may not work properly.

  • Webpages may intermittently fail to load or render correctly.

  • Issues with credential prompts.

  • Issues when downloading files.

This issue is resolved in KB4493470.

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 KB4493470.

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.

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. For more information, see Servicing stack updates.

If you are using Windows Update, the latest SSU (KB4465659) 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 4480977

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