Windows 10 hangs during setup

Windows 10 will be imported but new desktop creation or adding layers may cause the Desktop to hang during Setup...

Microsoft Win32k Elevation of Privilege (MS16-073: CVE-2016-3221)

A null pointer dereference vulnerability exists in Microsoft Windows. The root cause comes from win32k sub component when handling desktop creation. If successfully exploited, an attacker could elevate his privileges on the local system...