Running the Oracle VM PV Drivers for Microsoft Windows installation program causes a system error that prevents user login after the system restarts.
This issue occurs on Microsoft Windows Server 2008 Service Pack 2, 64-bit version, and Microsoft Windows Server 2008 R2.
This issue occurs only for the Oracle VM PV Drivers for Microsoft Windows that are not signed by Microsoft.
Workaround: Upgrade the system using the Windows upgrade program before you install the Oracle VM PV Drivers for Microsoft Windows.
Bug 23296057