Microsoft is once again releasing cumulative updates for Windows 10 outside of its regular Patch Tuesday schedule. This time, the company is rolling out update KB4340917 for Windows 10 version 1803 (April 2018 Update), update KB4338817 for version 1709 (Fall Creators Update), and update KB4338827 for version 1703 (Creators Update).

KB4340917 bumps the version number of the Windows 10 April 2018 Update to build number 17134.191, and according to the company addresses issues with time zone, networking, Bluetooth, SQL Server, Active Directory, and more.

Windows 10 build 17134.191

Microsoft has announced KB4340917 in the Windows support site, and it’s referred as “July 24, 2018—KB4340917 (OS Build 17134.191)”. If you’re already running the Windows 10 version 1803 on your PC, this update will address these problems:

  • Addresses additional issues with updated time zone information.
  • Improves the ability of the Universal CRT Ctype family of functions to handle EOF as valid input.
  • Addresses an issue that causes devices within Active Directory or Hybrid AADJ++ domains to unexpectedly unenroll from Microsoft Intune or third-party MDM services after installing provisioning package updates (PPKG).
  • Addresses an issue with registration in the “Push to Install” service.
  • 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 in a RemoteApp session that may result in a black screen when maximizing an app window on a secondary monitor.
  • Addresses an issue in IME that causes unexpected finalization of strings during Japanese input in applications such as Microsoft Outlook.
  • Addresses an issue where using an invalid password in a wireless PEAP environment that has SSO enabled submits two authentication requests with the invalid password.
  • Addresses an issue that prevents OpenType fonts from printing in Win32 applications.
  • Addresses an issue with Roaming User Profiles where the AppData\Local and AppData\Locallow folders are incorrectly synchronized at user logon and logoff.
  • Addresses issues related to peripherals that use Quality of Service (QoS) parameters for Bluetooth connections.
  • Addresses an issue with DNS Response Rate Limiting that causes a memory leak when enabled with LogOnly mode.

Windows 10 build 16299.579

The Fall Creators Update is getting update KB4338817, and the Windows support site referred it as “July 24, 2018—KB4338817 (OS Build 16299.579)”. If you’re already running the Windows 10 version 1709 on your PC, this update will address these problems:

  • Addresses an issue that causes devices within Active Directory or Hybrid AADJ++ domains to unexpectedly unenroll from Microsoft Intune or third-party MDM services after installing provisioning package updates (PPKG).
  • Inserts a CR before LF if there was none.
  • Enables debugging of WebView content in UWP apps using the Microsoft Edge DevTools Preview app available in the Microsoft App Store.
  • Addresses an issue in which Microsoft Edge DevTools becomes unresponsive when the console is flooded with messages.
  • Addresses an issue that causes power options to appear on the Windows security screen even when the per-user Group Policy to hide power options is set.
  • Addresses additional issues with updated time zone information.
  • Improves the PDF file experience in Microsoft Edge by addressing PDF file open, print, and reliability issues.
  • Addresses an issue that causes a black screen to appear for several minutes after installing Windows updates before going to the desktop.
  • Addresses an issue in which moving a Microsoft Foundation Class (MFC) application window might leave behind a dithered pattern on the desktop.
  • Addresses an issue in which the correct lock screen image won’t show in certain configurations.
  • Addresses an issue that sometimes causes the single-sign-on scenario to fail and presents the logon tile when connecting to a Remote Desktop server.
  • Addresses a rendering issue that occurs while dynamically modifying the classname or ID of elements on a page.
  • Addresses an issue that prevents Memory Analyzer and Performance Analyzer from working properly in Microsoft Internet Explorer 11 Developer Tools.
  • Addresses an issue in which a warning appears stating that the application is from an “unknown publisher” when running an application as an elevated user (Administrator).
  • Addresses an issue that causes sporadic authentication issues when using Web Account Manager.
  • Addresses an issue in which the memory usage of LSASS continues to grow until it is necessary to restart the system.
  • Addresses an issue in which the default domain for an Azure Active Directory-joined machine is not set on the logon screen automatically.
  • 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.
  • Addresses an issue that causes SQL Server memory usage to grow over time when encrypting data using a symmetric key that has a certificate.
  • Addresses an issue that may cause the BITS service to become unresponsive when the service cannot connect to Internet resources.
  • Addresses an issue that sometimes prevents a system from shutting down or being placed in Hibernation.
  • Addresses an issue that prevents access to SMB shares using IP addresses if SMB hardening is enabled.
  • Addresses an issue that prevents printing on a 64-bit OS when 32-bit applications impersonate other users (typically by calling LogonUser).
  • Addresses an issue with DNS Response Rate Limiting that causes a memory leak when enabled with LogOnly mode.
  • Addresses an issue in which using mandatory (read-only) user profiles for RDP might result in the error code, “Class not registered (0x80040151)”.
  • Addresses an issue in which not all network printers are connected after a user logs on.
  • Addresses an issue that causes in-place upgrades to Windows 10 version 1709 to stop responding at the “Making sure you’re ready to install” screen.

Windows 10 build 15063.1235

The Creators Update is getting update KB4338827, and the Windows support site referred it as “July 24, 2018—KB4338827 (OS Build 15063.1235)”. If you’re already running the Windows 10 version 1703 on your PC, this update will address these problems:

  • Addresses additional issues with updated time zone information.
  • Addresses an issue that causes SQL Server memory usage to grow over time when encrypting data using a symmetric key that has a certificate.
  • 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.
  • Addresses an issue that prevents printing on a 64-bit OS when 32-bit applications impersonate other users (typically by calling LogonUser).
  • 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 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.
  • Addresses an issue that may cause the operating system to stop responding when transitioning from Sleep to Hibernation.
  • 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.

Download July 24 update for Windows 10

These updates are available immediately, they’ll download and install automatically, but you can always force the update from Settings > Update & Security > Windows Update and clicking the Check for updates button. You can find more details about the most recent updates in the Windows 10 update history tracker guide.

  • KB4340917 64-bit | Download
  • KB4340917 32-bit | Download