For those who previously installed the Windows 10 October 2018 Update without incident, Today Microsoft released the first Windows 10 cumulative update KB4464330 for October 2018 Update version 1809 that bumps OS to Windows 10 Build 17763.55 (10.0.17763.55). It is about security with patches for the operating system kernel and some of it’s components. Also addressed a bug that incorrectly deleted user profiles on systems with a specific Group Policy enabled.

Note: (06 Oct 2018) Due to data loss after installing Windows 10 October 2018 update, Microsoft has wisely suspended the rollout of its big October 2018 update version 1809 to investigate data deletion bug, Read more

Also, Today Microsoft announced In a blog post, that it has identified the underlying cause of the bug that deleted data for some customers who were among the first to install the Windows 10 October 2018 Update. The fix is rolling out to members of the Windows Insider Program first. If every thigs goes well, October 2018 update available for everyone in a few days.

We have fully investigated all reports of data loss, identified and fixed all known issues in the update, and conducted internal validation. Also, Microsoft Support and our retail stores customer service personnel are available at no charge to help customers. writes John Cable, Director of Program Management, Windows Servicing and Delivery

Whats new KB4464330 (OS Build 17763.55)

Users running Windows 10 October 2018 Update, receives the first cumulative update KB4464330 that bumps OS to windows 10 Build 17763.55, Where Microsoft try to fix the serious data deletion issue reported by users after install October 2018 update. Also The update includes quality improvements and addresses one issue that affected group policy expiration. Key changes include:

  • 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 Filesystems, Windows Linux, Windows Wireless Networking, Windows MSXML, the Microsoft JET Database Engine, Windows Peripherals, Microsoft Edge, Windows Media Player, and Internet Explorer.

Download Windows 10 Build 17763.55 (KB4464330)

If you are already running Windows 10 version 1809, October 2018 update, and connected to Microsoft server, Your device Automatically gets the 2018-10 Cumulative Update for Windows 10 Version 1809 for x64-based Systems (KB4464330) via Windows Update. Also, you can force the update from Settings > Update & Security > Windows Update and click the Check for updates button.

Windows 10 Build 17763.55 (KB4464330)

Also, KB4464330 update standalone package available for download and offline install on multiple PCs you can download this from Microsoft catalog blog or following the link below.

If you Face any difficulty while installing these updates, Windows update stuck checking for updates. Or Cumulative update for windows 10 version 1809 for x64 based system (KB4464330) failed to install with different errors check out this post.