#11841 (Error 0x000000C4 when booting Windows 8.1 ISO) – Oracle VM VirtualBox

And, if you attempt to do an "interactive upgrade" from within an running Win 8 x64 VM, you'll get the following message: ... I also have this problem; trying to install Windows 8.1 x64 on VirtualBox in Ubuntu 12.04! I have executed the setextradata comma

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