Microsoft releases Windows 10 builds 17763.55, 17134.345 - here's what's new

Today is the second Tuesday of the month, making it Patch Tuesday, the day that Microsoft releases updates for all supported versions of Windows 10. That actually includes the October 2018 Update, even though it was pulled from Windows Update just a few days after it was released.

But if you did update before Windows 10 version 1809 was pulled, you'll see KB4464330, and that brings the build number to 17763.55. You can manually download it here, and it contains the following fixes:

  • 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.

Those on Windows 10 version 1803, or the April 2018 Update, will get KB4462919, bringing the build number to 17134.345. It can be manually downloaded here, and it contains the following fixes:

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

Those on the Windows 10 Fall Creators Update, or version 1709, will get KB4462918, and that brings the build number to 16299.726. You can manually download it here, and it contains the following security fixes:

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

There's also a known issue to be aware of:

Symptom Workaround

After installing this update, some users may see a dialog box with a non-applicable message beginning with the words “Hosted by...” when first starting Microsoft Edge.

This dialog will only appear once if they have turned on “Block only third-party cookies” in Microsoft Edge and applied certain language packs before installing this update.

Dismiss the dialog box.

Microsoft is working on a resolution and will provide an update in an upcoming release.


Those on Windows 10 version 1703, or the Creators Update, will get their final cumulative update today, as the version will no longer be supported. Those users will get KB4462937, and it brings the build number to 15063.1387. It can be manually downloaded here, and it also contains only security improvements:

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

The same known issue applies.

Those on the Windows 10 version 1607 LTSC release or Windows Server 2016 will get KB4462917, and that brings the build number to 14393.2551. You can manually download it here, and it contains the following security fixes:

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

There is also a known issue to be aware of:

Symptom

Workaround

After installing this update, installing Window Server 2019 Key Management Service (KMS) host keys (CSVLK) on Window Server 2016 KMS hosts does not work as expected. Microsoft is working on a resolution and will provide an update in an upcoming release.


If you're still on the original version of Windows 10 as a Long-Term Servicing Channel customer, you'll get KB4462922, bringing the build number to 10240.18005. You can manually download it here, and it contains the following fixes:

  • Addresses an issue that returns Windows Explorer to the parent folder when new files or folders are created within a child folder of a hidden parent folder.

  • Addresses an issue that makes it impossible to disable TLS 1.0 and TLS 1.1 when the Federal Information Processing Standard (FIPS) mode is enabled.

  • Addresses an issue in which all Guest Virtual Machines running Unicast NLB fail to respond to NLB requests after the Virtual Machines restart.

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

As always, you don't have to manually install these updates if you want to. Windows Update will install them automatically.

Update: An earlier version of this article said that the cumulative update doesn’t address the deleted files.

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