VirtualBox Code

gistfile1.cpp

bool UIMessageCenter::warnAboutVirtNotEnabled64BitsGuest(bool fHWVirtExSupported)
{
  ...
    else
        return messageOkCancel(mainWindowShown(), Error,
            tr("<p>VT-x/AMD-V hardware acceleration is not available on your system. "
                "Your 64-bit guest will fail to detect a 64-bit CPU and will "
                "not be able to boot."),
            0 /* pcszAutoConfirmId */,
            tr("Close VM"), tr("Continue"));
}

VirtualBox C++ Code

bool UIMessageCenter::warnAboutVirtNotEnabled64BitsGuest(bool fHWVirtExSupported)
{
  ...
    else
        return messageOkCancel(mainWindowShown(), Error,
            tr("<p>VT-x/AMD-V hardware acceleration is not available on your system. "
                "Your 64-bit guest will fail to detect a 64-bit CPU and will "
                "not be able to boot."),
            0 /* pcszAutoConfirmId */,
            tr("Close VM"), tr("Continue"));
}