https://www.bleepingcomputer.com/news/microsoft/microsoft-removes-two-windows-10-1903-upgrade-blocks/ > Microsoft removed two Windows 10 version 1903 upgrade blocks after resolving the known issues behind them on August 30 with the release of the KB4512941 optional cumulative update. > Both issues were added to the Windows Release Health Dashboard on July 25 and came with compatibility updates designed to safeguard the updated experience of Windows 10 customers.