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mpack, correct. I figured out what the issue is. It is a mixture of things... UEFI BIOS mode is enabled, which in turn is forcing Windows 10 into Virtual Secure Mode. So it isn't a driver loading at OS boot time, but prior to OS load. Downside is, the OS install I have at the moment requires that UE...

Unfortunately I already performed the steps of installing/removing Hyper-V via powershell to no avail. The driver being loaded is C:\Windows\System32\drivers\hvservice.sys which appears to be the Hypervisor Boot Driver. This is a clean Windows 10 Enterprise install, so I am unaware of any applicatio...

I am running VirtualBox 5.1.18 r114002 on an HP z440, with an Intel Xeon E5-1650 v4 processor, using Windows 10 x64 Enterprise, and have both VT-x and VT-d enabled in the BIOS. Also, I checked that Hyper-V is not installed, used PowerShell to double check, and used bcdedit /set hypervisorlaunchtype ...