Microsoft releases Windows 10 build 16299.214 - here's what's new

We're still a couple of weeks away from February's Patch Tuesday, but that's not stopping Microsoft from pushing a cumulative update today. Build 16299.214 is for PCs running the Fall Creators Update, and it's actually the third cumulative update that version 1709 has received since January's Patch Tuesday.

This is, of course, due to the Spectre and Meltdown vulnerabilities. Build 16299.192 was released early, and then 16299.194 fixed an issue from the previous patch that left AMD devices unbootable. Finally, 16299.201 was released only for 32-bit machines.

KB4058258 has a number of fixes in it, and you can manually download it here. Here's what's new:

  • Addresses a compatibility issue where colors are distorted when the system is connected to displays that support wide color gamut.

  • Addresses a condition where a second monitor that is connected to legacy AMD display adapters flashes after waking from sleep.

  • Addresses issue that causes delays when switching keyboard languages using Alt+Shift.

  • Addresses compatibility issues when rendering certain closed captions or subtitle formats during video playback.

  • Addresses issue where the Microsoft Edge Allow Extension Group Policy for the disabled state was not working.

  • Provides additional protections for 32-bit (x86) versions of Windows 10, version 1709.

  • Resolves the issue reported by some customers on a small subset of older AMD processors where the processor entered an unbootable state after installing January 3, 2018—KB4056892 (OS Build 16299.192).

There are also some known issues to be aware of:

Symptom Workaround
Windows Update History reports that KB4054517 failed to install because of error 0x80070643.

Even though the update was successfully installed, Windows Update incorrectly reports that the update failed to install. To verify the installation, select Check for updates to confirm that there are no additional updates available.

You can also type About your PC in the Search box on the taskbar to confirm that your device is using the expected OS build.

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

Because of an issue that affects some versions of antivirus software, this fix applies only to computers on which the antivirus ISV updated the ALLOW REGKEY.

Contact your antivirus manufacturer to verify that their software is compatible and that they have set the following REGKEY on the computer:

Key="HKEY_LOCAL_MACHINE" Subkey="SOFTWARE\Microsoft\Windows\CurrentVersion\QualityCompat"

Value Name="cadca5fe-87d3-4b96-b7fb-a231484277cc"



After installing this update, some users may experience issues logging into some websites when using third-party account credentials in Microsoft Edge. Microsoft is working on a resolution and will provide an update in an upcoming release.

Presumably, the upcoming release that's referred to will be the Patch Tuesday updates on February 13.

You won't need to manually install this one. If you're on the Windows 10 Fall Creators Update, just head over to Settings -> Update & security -> Windows Update -> Check for updates.

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