Windows 10 May 2019 Update

Windows 10 KB4345421 Update (OS Build 17134.166) changelog

Microsoft has just released new cumulative update KB4345421 for devices running Windows 10 April 2018 update version 1803. Installing KB4345421 Update bumps the OS to Windows 10 Build 17134.166. As per Microsoft, the package (KB4345421 Update) includes quality improvements for the OS and addresses an issue that may cause some devices running network monitoring workloads to receive the 0xD1 Stop error because of a race condition after installing the July update.

Today also Microsoft is releasing KB4345420 for Windows 10 Fall Creators Update which bumps the build number to windows 10 build 16299.550.

And If you’re still on Windows 10 Creators Update version 1703, will be seeing KB4345419 update and installing the package bumps the os to windows 10 Build 15063.1208.

Note: The July 16, 2018 update for all three versions (KB4345421, KB4345420, KB4345419) of Windows 10 contains the same list of changes and it addresses some persistent issues across the platform.

Windows 10 1803 Update KB4345421 Improvements and Fixes

Here is a look at what’s been improved and fixed for Windows 10 1803 in this update:

  • Addresses an issue that may cause some devices running network monitoring workloads to receive the 0xD1 Stop error because of a race condition after installing the July update.
  • Addresses an issue with the DHCP Failover server that may cause enterprise clients to receive an invalid configuration when requesting a new IP address. This results in a loss of connectivity.
  • Addresses an issue that may cause the restart of the SQL Server service to fail occasionally with the error, “TCP port is already in use”.
  • Addresses an issue that occurs when an administrator tries to stop the World Wide Web Publishing Service (W3SVC). The W3SVC remains in a “stopping” state, but cannot fully stop or it cannot be restarted.

Download KB4345421 Update (Windows 10 Build 17134.166)

As per Microsoft, The update is not available through Windows Updates right now which means that users and administrators need to download and install it manually from  Microsoft Update Catalog. Also, you can download it from here KB4345421 Update 64-bit ( 678.2 MB) and 32-bit ( 374.8 MB). After installing the update you will notice your OS build changed to windows 10 Build 17131.166. To check the same press windows + R, type winver and ok, this display window like the image below.

Windows 10 Build 17134.166
Windows 10 Build 17134.166

If you are running windows 10 fall creators update version 1709 or Windows 10 version 1703, The KB4345420 update will be downloaded and installed automatically from Windows Update. Or you can manually download and install the same from settings -> update & security -. windows update and check for update. also, you can download the standalone package from Microsoft catalog blog

Download: 2018-07 Cumulative Update for Windows 10 Version 1709 for x64-based Systems (KB4345420) 836.1 MB and  2018-07 Cumulative Update for Windows 10 Version 1709 for x86-based Systems (KB4345420) 461.4 MB

Download 2018-07 Cumulative Update for Windows 10 Version 1703 for x64-based Systems (KB4345419) 1211.6 MB and 2018-07 Cumulative Update for Windows 10 Version 1703 for x86-based Systems (KB4345419) 682.3 MB.

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