Download Cumulative Update KB4340917 for Windows 10 Version 1803

Microsoft released cumulative update KB4340917 for Windows 10 version 1803 and is available for download via Windows Update. This update increases the Windows build number to 17134.191. As usual, this CU does not come with any new features for the Windows 10 April 2018 Update, but it does include fixes for various issues, which you can find in the changelog below.


What’s New (Partial Changelog)

  • 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.
  • Resolves an issue with registration to the “Push to Install” service.
  • Addresses an issue with roaming user profiles where the AppDataLocal and AppDataLocallow folders are incorrectly synced on 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 increase over time when encrypting data using a symmetric key that has a certificate. Then you run queries that open and close the symmetric key in a recursive loop.

You can find a list of changes including known issues in this KB4340917 page.

How to install update KB4340917 on Windows 10 version 1803

  1. Click on the Start Menu, select Settings
  2. Settings > Update & Security, click ‘Check for Updates’
  3. The cumulative update along with other updates will be fetched and downloaded by Windows Update
  4. You need to restart yours to install the update.

To verify the installed Windows update successfully, open the Settings app, Update & Security > View Update History > Quality Updates.

If you have problems installing the KB430917 update or if you have bandwidth restrictions, use the links below to manually download the standalone version of the update to your computer, they are obtained from the Microsoft Catalog website.

Download update KB4340917 (direct download links)

Cumulative Update 2018-07 for Windows 10 Version 1803 for x64-based Systems (KB4340917) | 713 MB

Cumulative Update 2018-07 for Windows 10 Version 1803 for x86-based Systems (KB4340917) | 380 MB

Tip: If the cumulative update installed successfully, go ahead and open Disk Cleanup and run System File Scan as you can gain more disk space (in Gigabytes) by deleting ‘Windows Update Cleanup’.

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