UPDATE 4/4: We have released Build 18362.30 (KB4497464) to Windows Insiders in the Fast AND Slow rings. If you have updated to Build 18356.21 – this build will be offered. Build 18362.30 includes the following fixes: We fixed an issue where AAD users were not able to sign-in after updating to 19H1 on AAD-joined PC not enrolled into MDM. We fixed an issue where users were unable to enable\disable .NET Framework or other optional feature- on-demand (FODs) after installing recent Cumulative Updates. We fixed an issue where a user’s PC may get into a unbootable state after installing a Cumulative Update and then installing a optional feature-on-demand (FOD).