oracle virtualbox no bootable medium found

Generation 2 VMs (using UEFI) does not use an active partition. Read: VirtualBox VM is not opening or starting in Windows 1] Initial checklistīefore you proceed with the solutions proper below, you first need to verify that the Guest OS partition is Active. Let’s see these listed suggestions in detail. If you have encountered the FATAL: INT18: BOOT FAILURE error when you start a Windows Guest OS in VirtualBox on your host Windows 11/10 machine, you can apply our recommended fixes below to quickly and easily resolve the issue on your system. Read: VirtualBox failed to register and open Hard Disk image file VirtualBox FATAL: INT18: BOOT FAILURE Error The error sometimes may throw the error code 0x0000225. The OS is unable to boot due to the boot sector not being found.Īffected users reported the guest operating system running on the VM failed to start after converting the physical disk of a Windows 11/10 UEFI computer to a Virtual Hard disk (VHD or VHDX) and attaching the VHD/VHDX file to a new VirtualBox machine.The OS is unable to boot due to BCD Corruption.The operating system (OS) is unable to boot due to the partition holding the Boot Configuration Data (BCD) Store being inactive.it’s an indication the VM file is corrupt.

You may encounter this issue due to one or more of the following reasons.

This post offers the most applicable solutions you can try to successfully fix the error on your system. You may get the VirtualBox error FATAL: INT18: BOOT FAILURE when you attempt to start a Windows guest machine on your Windows 11 or Windows 10 host computer.

Oracle virtualbox no bootable medium found