VBoxManage.exe setextradata ' VM Name' VBoxInternal/CPUM/CMPXCHG16B 1Į.g.Then type the following command, but replace the ' VM Name' value, with the name of the VBOX machine that you face the error 0x000000C4, and press Enter: Notice from the output of the above command, the name of the VBOX machine, where you receive the error 0x000000C4.Į.g At this example, the VM machine with the '0x000000C4' error, is the ' Windows8.1_圆4_Pro'.ĥ. Then give the below command to list the VM Machines.Ĥ. But, some earlier CPU's lacked the CMPXCHG16B instruction and you have to enable that feature in the VM machine in order to bypass the '0x000000C4' error. Enable the CMPXCHG16B instruction.Īccording to Microsoft, one of the s ystem requirements to install Windows 8.1, Windows 10 or Server 2012 64-bit OS on a 64-bit PC, is to have a processor that supports the CMPXCHG16B instruction (may also referred as 'CompareExchange128'). Open VirtualBox and install the VM Machine. Save your changes and Exit from Bios Setup.ĥ. * Note: In some BIOS, the ' Data Execution Protection' may be named as 'No Execute Memory Protection', or 'Execute Disable bit', or 'Execute Disable Function', or 'NX Bit'.ģ. Go to Advanced or to Security options and Enable the Data Execution Protection. Power on your computer and enter into BIOS (CMOS Setup) settings.Ģ. The first method to resolve the VM Error Code 0x000000C4, is to enable the 'Data Execution Prevention' in BIOS. Enable Data Execution Protection in BIOS. make sure that you have installed the latest version of Oracle Virtual box and you have specified that you install a 64-bit OS on the VM Settings. Important: Before you continue to the methods below.

How to FIX VirtualBox Error 0x000000C4 (Windows 10, 8.1, Server 2012) This tutorial contains detailed instructions to resolve the VirtualBox Error 0x000000C4, when you try to install Windows 8.1, Widows 10 or Windows Server 2012 64-bit OS on Oracle VM VirtualBox.ĠxFFFFF80141B5BA80 (or '0xFFFFF801E5962A80')

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