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Release Date:

7/24/2018

Version:

OS Build 15063.1235

Improvements and fixes

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

  • Addresses additional issues with updated time zone information.

  • Changes the music metadata service provider used by Windows Media Player.

  • Addresses an issue in which some characters were not rendered correctly using the Meiryo font in vertical writing mode.

  • Addresses an issue that may cause the operating system to stop responding when transitioning from Sleep to Hibernation.

  • Addresses an issue in which the memory usage of LSASS continues to grow until it is necessary to restart the system.

  • Addresses an issue that may cause dual-signed files to report a failure when they should report success. This occurs when running Windows Defender Application Control in audit mode.

  • Addresses an issue that causes SQL Server memory usage to grow over time when encrypting data using a symmetric key that has a certificate. Then, you execute queries that open and close the symmetric key in a recursive loop.

  • Addresses an issue that prevents printing on a 64-bit OS when 32-bit applications impersonate other users (typically by calling LogonUser). This issue occurs after installing monthly updates starting with KB4034681, released in August 2017. To resolve the issue for the affected applications, install this update, and then do one of the following:

    • Use Microsoft Application Compatibility Toolkit to globally enable the Splwow64Compat App Compat Shim.

    • Use the following registry setting, and then restart the 32-bit application: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Print Setting: Splwow64Compat

Type: DWORD

Value1: 1

  • Addresses an issue in which Wi-Fi credentials must be entered each time a device restarts and tries to reconnect to Wi-Fi using Group Policy-distributed Preferred Network Profiles.

  • Addresses an issue in which using an invalid password in a wireless PEAP environment that has SSO enabled causes the submission of two authentication requests with the invalid password. The excess authentication request may cause premature account lockouts in environments with low account lockout thresholds. To enable the changes, add the new registry key, “DisableAuthRetry” (Dword) on HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\RasMan\PPP\EAP\26 using regedit, and set it to 1.

  • Addresses an issue in which Wi-Fi credentials must be entered each time a device restarts and tries to reconnect to Wi-Fi using Group Policy-distributed Preferred Network Profiles.

  • Addresses an issue in which not all network printers are connected after a user logs on. The HKEY_USERS\User\Printers\Connections Key shows the correct network printers for the affected user. However, the list of network printers from this registry key is not populated in any app, including Microsoft Notepad or Devices and Printers. Printers may disappear or become non-functional.

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.

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 does not apply to long-term servicing editions.

Known issues in this update

Symptom

Workaround

After you install any of the July 2018 .NET Framework Security Updates, a COM component fails to load because of “access denied,” “class not registered,” or “internal failure occurred for unknown reasons” errors. The most common failure signature is the following:

Exception type: System.UnauthorizedAccessException

Message: Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))

This issue is resolved in KB4343885.

 

How to get 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 4338827.

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