Windows 10 update KB4507453 (build 18362.239) releases for version 1903

Windows 10 version 1903 and older versions receive new cumulative updates, and here's all you need to know.

KB4507453 for Windows 10
KB4507453 for Windows 10

As part of the Patch Tuesday for July 2019, Microsoft is now rolling out update KB4507453 for devices running the Windows 10 May 2019 Update, version 1903.

KB4507453 bumps the version number to build 18362.239, and according to the company fixes issues with Mixed Reality, BitLocker, and improves security with Microsoft Edge and Microsoft Office apps.

In addition, Microsoft is also releasing quality updates for older versions of Windows 10, including version 1809, 1803, 1709, 1703, 1607, and for original release.

Update KB4507453 for Windows 10 version 1903

Microsoft has announced KB4507453 in the Windows support site, and it’s referred as “July 9, 2019—KB4507453 (OS Build 18362.239)” If you’re already running the Windows 10 May 2019 Update on your device, this update will address these problems:

  • Addresses an issue that may cause BitLocker to go into recovery mode if BitLocker is being provisioned at the same time as updates are being installed.
  • Fixes a problem that may cause Mixed Reality users to see a tilted world after connecting their headsets.
  • Addresses visual quality issues some users may have seen with Windows Mixed Reality (WMR) headsets and Steam VR content.
  • Security updates to Windows Wireless Networking, Microsoft Scripting Engine, Windows Server, Windows Storage and Filesystems, Windows Kernel, Microsoft HoloLens, Internet Explorer, Windows Input and Composition, Windows Virtualization, Windows App Platform and Frameworks, Microsoft Graphics Component, Microsoft Edge, and Windows Cryptography.

You can download the updates to install them manually with the links below:

Update KB4507469 for Windows 10 version 1809

Also, Microsoft has announced KB4507469 in the Windows support site, and it’s referred as “July 9, 2019—KB4507469 (OS Build 17763.615)” If you’re already running the Windows 10 October 2019 Update on your device, this update will address these problems:

  • Addresses an issue that may cause the system to become unresponsive when an application uses the CameraCaptureUI API.
  • Fixes a problem that may cause BitLocker to go into recovery mode if BitLocker is being provisioned at the same time as updates are being installed.
  • Improves security when using Internet Explorer, Microsoft Edge, wireless technologies, and Microsoft Office products.

Update KB4507435 for Windows 10 version 1803

The April 2018 Update (version 1803) is getting update KB4507435, and the Windows support site referred it as “July 9, 2019—KB4507435 (OS Build 17134.885)”. If you’re already running version 1803 on your PC, this update will address these issues:

  • Addresses an issue that may cause BitLocker to go into recovery mode if BitLocker is being provisioned at the same time as updates are being installed.
  • Improves security when using Internet Explorer, Microsoft Edge, wireless technologies, and Microsoft Office products.

Update for older versions of Windows 10

Although the version 1709 (Fall Creators Update) is no longer supported, organizations running the Enterprise or Education edition of Windows 10 are getting update KB4507455, which fixes some issues and bumps up the version number to 16299.1268.

Windows 10 version 1703 (Creators Update) is no longer supported either, but organizations with computers still running this version can now download and install KB4507450, which fixes several problems and bumps the version number to build 15063.1928.

Also, the Windows 10 Anniversary Update, version 1697, is getting update KB4507460 to address some problems with the no longer supported operating system bumping the version number to build 14393.3085.

Last but not least, the original release of Windows 10 is getting update KB4507458 bumping the version number to 10240.18275 to address several problems.

Download July 2019 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.

About the author

Mauro Huculak is a Windows How-To Expert who started Pureinfotech in 2010 as an independent online publication. He has also been a Windows Central contributor for nearly a decade. Mauro has over 15 years of experience writing comprehensive guides and creating professional videos about Windows and software, including Android and Linux. Before becoming a technology writer, he was an IT administrator for seven years. In total, Mauro has over 21 years of combined experience in technology. Throughout his career, he achieved different professional certifications from Microsoft (MSCA), Cisco (CCNP), VMware (VCP), and CompTIA (A+ and Network+), and he has been recognized as a Microsoft MVP for many years. You can follow him on X (Twitter), YouTube, LinkedIn and About.me. Email him at [email protected].