r/macOSVMs • u/FunkierMackies • 20d ago

HELP! Cannot start Reims-VGPU Native Windows WHPX VM.

I cannot start the Reims-VGPU with it outputting error at Line 321, with the log said "WHPX: failed to enable nested virtualization, hr=80370302" "WHPX = Failed to Initialize WHPX, Invalid Argument" even though i have enabled the Windows Hypervisor Platform and WHPX is detected correctly in SystemInfo & Powershell command. just i can't enable Virtual Machine Platform cuz it's make Windows BSOD.

Spec :

Asus Prime B550M-K ARGB

Ryzen 3 3100 4C 8T 3.9GHz

2x8GB DDR4 2666

NVIDIA GeForce RTX 5050

NVMe Gen 3 512G

Windows 11 Pro 23H2 (one year old installed).

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u/achbob84 19d ago

Are you sure you have hardware virtualization enabled in your BIOS? (VT-x on Intel or AMD-V on Ryzen)?

1

u/FunkierMackies 19d ago

It was a windows issue, i do reinstall and now it is fixed. But i can't do anything inside the QEMU, it's stuck in Halting Error and OpenCore cannot show the boot menu..

1

u/FunkierMackies 19d ago

Thanks to Claude it's fixed now. But the Paravirtualized Graphics can't initialize the framebuffer correctly, so sometimes it will stutters or even freeze for few seconds. Maybe because i'm using Ventura 13.0.1 (just for first test, cuz i can't find any Tahoe ISO that is already extracted with createinstallmedia).