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vbox 4.3.20 - UEFI guest OS
Posted: 14. Dec 2014, 01:43
by krchat
Hello everyone, try to set EFI boot, but I get error message:
the exception Breakpoint. A breakpoint has been reached.
0x80000003 occured in the application at location 0xe1c3eb10
Host - Win 7x64; Guest Win 8.1 Prox32
Re: vbox 4.3.20 - UEFI guest OS
Posted: 14. Dec 2014, 02:03
by loukingjr
As far as I know VirtualBox does not support UEFI, it supports EFI. You install Windows guests with EFI disabled.
Re: vbox 4.3.20 - UEFI guest OS
Posted: 14. Dec 2014, 09:30
by krchat
Are they difficult, I thought that UEFI is only Unified EFI But If I make guest Win 8x64 - I don't get any error, I get input to EFI setup and can't run install OS next.
Re: vbox 4.3.20 - UEFI guest OS
Posted: 14. Dec 2014, 12:31
by socratis
krchat wrote:I thought that UEFI is only Unified EFI
Not really, EFI has been deprecated in favor of UEFI (treat it like UEFI is EFI v.2.0). From the
Wikipedia article on EFI: "
Extensible Firmware Interface, a firmware interface specification, predecessor of UEFI", which points you to the
UEFI article.
Now, VirtualBox offers only experimental support for UEFI, but it's improving over time. See: