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A new Windows 10 PC build (16232) is now available to the fast ring insiders, along with Mobile Build 15228. This new PC build includes a no. of new security enhancements to Windows Defender, many other improvements and fixes.


Don't forget to read the 'Known Issues' first, before downloading as there is a possibility of update failure in this build.


Windows 10 build 16232 released to PCs in Fast ring (


Moving forward to the Windows 10 Fall Creators Update, Microsoft has released another PC build for Windows Insiders in the fast ring to try and provide early feedback to build a better ecosystem. This new build 16232 majorly focused to new security features added to Windows Defender and here is a list of them:

  • Once you enable Windows Defender Application Guard (WADG), data such as your favorites, cookies and saved passwords will be persisted across Application Guard sessions. The persisted data will not be shared to the host, but it will be available for future in Application Guard sessions.
    Windows Defender Application Guard ( you have enable Data Persistence using Group Policy for Application Guard, the site you saved to your Favorites will be available for later use, with Microsoft Edge in Application Guard, even after reboots as well as build to build upgrades of Windows.

  • You can enable Data Persistence for Microsoft Edge in Application Guard using Group Policy. To enable it, close all Microsoft Edge windows and update the Windows Components > Windows Defender Application Guard.

  • Starting with this build you can now audit, configure, and manage Windows system and application exploit mitigation settings right from the Windows Defender Security Center! You don’t need to be using Windows Defender Antivirus to take advantage of these settings.

  • In this build, it's now easier for you to protect valuable data from malicious apps and threats, such as ransomware. To enable the feature, search for and open the Windows Defender Security Center from Start. Then go to the 'Virus & threat protection' settings section and set the switch to ON.

Apart from all these new changes, there are a bunch of improvements and fixes available in this PC build. Check out the original Release Notes, shared by Microsoft. There exists a bunch of 'Known Issues' too. Don't forget to read them before installing this build.


As a major known issue, your PC may fail to update to this build with an 0x80070643 and will rollback to the previous build. Microsoft is investigating on that.



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