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Microsoft pushes cumulative update build 18277.1006 to Fast ring Windows Insiders

Surface Pro 6
Surface Pro 6 (Image credit: Daniel Rubino / Windows Central)

Microsoft hasn't pushed out a new build for Fast ring Insiders this week, but it is shipping out a small cumulative update with some fixes in tow. Available for Insiders testing the next major Windows 10 feature update, currently named "19H1", the cumulative release puts an update block in place for a "small number of PCs" using Nuvoton TPM chips. It also fixes a small media display bug.

Here's the official look at what's new, as appended to the original build 18277 release notes:

  • We're putting an update block for this build in place for a small number of PCs that use Nuvoton (NTC) TPM chips with a specific firmware version ( due to a bug causing issues with Windows Hello face/biometric/pin login not working.
  • We've fixed a media display bug that was causing unexpected display rendering for some users.

The cumulative update pushes the build number up to 18277.1006 and should be available via Windows Update for Fast ring Insiders now.

Build 18277 originally began rolling out to Fast ring Insiders last week, bringing with it some enhancements for Action Center, along with new emoji, improved Focus Assists, and more. For more, check out our hands-on look at build 18277.

Dan Thorp-Lancaster is the Editor in Chief for Windows Central. He began working with Windows Central as a news writer in 2014 and is obsessed with tech of all sorts. You can follow Dan on Twitter @DthorpL and Instagram @heyitsdtl. Got a hot tip? Send it to

  • I can't get any of the 18xxx builds to install on my Spectre x360 (the original one). It tries to install, and totally freezes up at 42%. No clue why, nothing useful in the event viewer. Any suggestions?
  • It would have been nice to get a quick fix for the SD card reader on the Surface Pro 3....just saying...maybe next time🙄
  • I haven't been able to update since 18252, when I launch Windows Update and click "Check online for updates from Microsoft Update" it crashes Windows Update and closes. I have been unable to get any updates since I updated to this version on 10/12. Has anyone else experienced this?
  • have you run the windows update troubleshooter? It usually clears these things up.
  • Yeah, the troubleshooter doesn't find any issues. It's quite annoying.