Windows 10 update KB4464330 (build 17763.55) releases

The October 2018 Update and older version of Windows 10 are getting patches — Here's everything you need to know.

KB4464330 update for Windows 10 version 1809
KB4464330 update for Windows 10 version 1809

As part of the October 2018 Patch Tuesday, Microsoft is making available update KB4464330 for the Windows 10 version 1809 (October 2018 Update). In addition, the company is pushing update KB4462919 for devices running the April 2018 Update, and it’s rolling out updates for version 1709, version 1703, and even for version 1607.

KB4464330 bumps the version number to build 17763.55, and it addresses the problem that causes data loss after upgrading to the October 2018 Update.

Window 10 build 17763.55

Microsoft has announced KB4464330 in the Windows support site, and it’s referred as “October 9, 2018—KB4464330 (OS Build 17763.55)”. If you’re already running the Windows 10 version 1809 on your PC, this update will address these problems:

  • Addresses an issue affecting group policy expiration where an incorrect timing calculation may prematurely remove profiles on devices subject to the “Delete user profiles older than a specified number of day.”
  • Security updates to Windows Kernel, Microsoft Graphics Component, Microsoft Scripting Engine, Internet Explorer, Windows Storage and File Systems, Windows Linux, Windows Wireless Networking, Windows MSXML, the Microsoft JET Database Engine, Windows Peripherals, Microsoft Edge, Windows Media Player, and Internet Explorer.

Window 10 build 17134.345

The company also announced update KB4462919 for Windows 10 version 1803, and it’s referred as “October 9, 2018—KB4462919 (OS Build 17134.345)”. If you’re already running the Windows 10 version 1803 on your PC, this update will address these issues:

  • Security updates to Internet Explorer, Windows Media Player, Microsoft Graphics Component, Windows Peripherals, Windows Shell, Windows Kernel, Windows Datacenter Networking, Windows Storage and File Systems, Microsoft Edge, Microsoft Scripting Engine, Windows Linux, and the Microsoft JET Database Engine.

Windows 10 build 16299.726

The Fall Creators Update (version 1709) is getting update KB4462918, and the Windows support site referred it as “October 9, 2018—KB4462918 (OS Build 16299.726)”. If you’re already running version 1709 on your PC, this update will address these problems:

  • Security updates to Internet Explorer, Windows Media Player, Microsoft Graphics Component, Windows Shell, Windows Kernel, Windows Datacenter Networking, Windows Storage and File Systems, Microsoft Scripting Engine, and the Microsoft JET Database Engine.

If you’re using a phone running Windows 10, Microsoft is releasing update KB4464853 that contains all the changes available with KB4462937.

Windows 10 build 15063.1387

The Creators Update (version 1703) is getting update KB4462937, and the Windows support site referred it as “October 9, 2018—KB4462937 (OS Build 15063.1387)”. If you’re already running version 1703 on your PC, this update will address these problems:

  • Security updates to Internet Explorer, Windows Media Player, Microsoft Graphics Component, Microsoft Edge, Windows Kernel, Windows Storage and Filesystems, and Microsoft Scripting Engine.

Older versions of Windows 10

Although the Anniversary Update (version 1607) is no longer supported, organizations with Windows 10 Enterprise or Education are getting update KB4462917, which bumps the version to build 14393.2551, and it addresses a security vulnerability.

Download October 9 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 14 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 20 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.