Windows 10, version 1909 and Windows Server, version 1909

Find information on known issues and the status of the rollout for Windows 10, version 1909 and Windows Server, version 1909. Looking for a specific issue? Press CTRL + F (or Command + F if you are using a Mac) and enter your search term(s).

Current status as of January 21, 2019:
Windows 10, version 1909 is available for any user on a recent version of Windows 10 who manually selects “Check for updates” via Windows Update. The recommended servicing status is Semi-Annual Channel.
 
We are starting the next phase in our controlled approach to automatically initiate a feature update for an increased number of devices running the October 2018 Update (Windows 10, version 1809) Home and Pro editions, keeping those devices supported and receiving the monthly updates that are critical to device security and ecosystem health. Our rollout process starts several months in advance of the end of service date to provide adequate time for a smooth update process.

For information on how users running Windows 10, version 1903 can update to Windows 10, version 1909 in a new, streamlined way, see this post.
 
Note follow @WindowsUpdate on Twitter to find out when new content is published to the release information dashboard.

Known issues

This table offers a summary of current active issues and those issues that have been resolved in the last 30 days.

SummaryOriginating updateStatusLast updated
Issues with some older versions of Avast and AVG anti-virus products
Microsoft and Avast has identified compatibility issues with some versions of Avast and AVG Antivirus.

See details >
N/A

Mitigated External
November 25, 2019
05:25 PM PT

Issue details

November 2019

DetailsOriginating updateStatusHistory
Issues with some older versions of Avast and AVG anti-virus products
Microsoft and Avast has identified compatibility issues with some older versions of Avast Antivirus and AVG Antivirus that might still be installed by a small number of users. Any application from Avast or AVG that contains Antivirus version 19.5.4444.567 or earlier is affected.

To safeguard your upgrade experience, we have applied a hold on devices with affected Avast and AVG Antivirus from being offered or installing Windows 10, version 1903 or Windows 10, version 1909, until the application is updated.

Affected platforms:
  • Client: Windows 10, version 1909; Windows 10, version 1903
  • Server: Windows Server, version 1909; Windows Server, version 1903
Workaround: Before updating to Windows 10, version 1903 or Windows 10, version 1909, you will need to download and install an updated version of your Avast or AVG application. Guidance for Avast and AVG customers can be found in the following support articles:
Note We recommend that you do not attempt to manually update using the Update now button or the Media Creation Tool until a new version of your Avast or AVG application has been installed and the Windows 10, version 1903 or Windows 10, version 1909 feature update has been automatically offered to you.

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N/A

Mitigated External
Last updated:
November 25, 2019
05:25 PM PT

Opened:
November 22, 2019
04:10 PM PT