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Microsoft Releases New Cumulative Update for Windows 10 1803

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Microsoft released another new set of cumulative updates for Windows 10 1803, 1709, and 1703. This is the third set of updates for Windows 10 this month.

Microsoft today is rolling out a new cumulative update for Windows 10 1803 with KB4340917. This is actually the third set of cumulative updates for 1803 this month with KB4345421 released last week and the regular Patch Tuesday update before that. Today’s update doesn’t include any new features but does include several improvements and fixes. This new update will also bump your build number to 17134.191. There are also new cumulative updates for Fall Creators Update (1709) and Creators Update (1703).

Windows 10 1803 Cumulative Update KB4340917

Here is the list of the new fixes and improvements included in today’s new update:

  • 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.

You should receive this update automatically in the next couple days. But if you want to stay on top of things, you can check for the update by heading to Settings > Update & Security > Windows Update or manually download it here for Windows 10 and Server. After the update completes, hit the Windows Key and type: winver and hit Enter. You will see your build number has jumped to 17134.191.

If you’re not on Windows 10 1803 yet, make sure to read the release notes for the update for Windows 10 1709 or Windows 10 1703.

 


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