Microsoft pushes the patch for Windows 10 Fall Creator Update and April 2018 Update

At the end of July, the Windows 10 Fall Creator Update and the Windows 10 April 2018 update received two cumulative updates for KB4338817 and KB4340917, respectively, which were Build 16299.579 and Build 17134.191 after the upgrade.

Changelog

KB4338817

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

  • 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). This issue occurs on devices that are subject to the “Auto MDM Enrollment with AAD Token” Group Policy. If you ran the script “Disable-AutoEnrollMDMCSE.PS1 as a workaround for this issue, run “Enable-AutoEnrollMDMCSE.PS1 from a PowerShell window running in Administrator mode after installing this update.

  • 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 a black screen to appear for several minutes after installing Windows updates before going to the desktop.
  • 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 in which moving a Microsoft Foundation Class (MFC) application window might leave behind a dithered pattern on the desktop.
  • 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.
  • More

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KB4340917

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

  • 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). This issue occurs on devices that are subject to the Auto MDM Enrollment with AAD Token Group Policy. If you ran the script Disable-AutoEnrollMDMCSE.PS1 as a workaround for this issue, run Enable-AutoEnrollMDMCSE.PS1 from a PowerShell window in Administrator mode after installing this update.
  • 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 with registration in the “Push to Install” service.
  • Addresses an issue with Roaming User Profiles where the AppData\Local and AppData\Locallow folders are incorrectly synchronized at user logon and logoff. For more information, see KB4340390.
  • Addresses issues related to peripherals that use Quality of Service (QoS) parameters for Bluetooth connections.
  • 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 where using an invalid password in a wireless PEAP environment that has SSO enabled submits 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 that prevents OpenType fonts from printing in Win32 applications.
  • Addresses an issue with DNS Response Rate Limiting that causes a memory leak when enabled with LogOnly mode.
  • 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.

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