Windows 10 build 19035.1

Windows 10 build 19035 is the forty-second Insider Preview build of Windows 10 May 2020 Update. This build was released to Windows Insiders in both the Fast and Slow rings on 4 December 2019.

Changes

 * General changes, improvements, and bug fixes listed in the official release announcement.

Bugs

 * The BattlEye anti-cheat software has some incompatibility issues due to changes in the operating system between some Insider Preview builds and certain versions.
 * At the time of release, when attempting to upgrade to this build, it would fail with the error code 0xc1900101 and would subsequently fail as a result. Sometimes the installation of the build would complete on a second attempt.
 * Sometimes after a printer driver is successfully installed from the Optional Updates section, the exact same driver is shown as being available for install.
 * When certain external USB 3.0 drives are attached, they stop responding with Start Code 10.
 * Drive Optimizer incorrectly reports that optimization was never run on an SSD device.
 * The update process to this build has a chance of hanging for extended periods of time.