This issue is resolved in KB4100403
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To get Windows 10, version 1803, we encourage you to wait until the update is offered to your device following the June Update Tuesday. If you’re an advanced user on an actively serviced version of Windows 10 and would like to install the Windows 10 April 2018 update now, you can manually check for updates. In the Search tab, type “Settings”. On the Settings page, navigate to Update & security > Windows Update > click “Check for updates”, which****will include this resolution.