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Cattura.JPG Hello, I have a FreeDos 1.3 VM installed on W10PRO and the filter MITSUMI selected on the USB device box as viewable in the picture here attached. However at the FreeDos prompt I don't know which unit letter to use to access to the USB floppy device. The floppy is correctly accessible f...

See related FAQ: I have a 64bit host, but can't install 64bit guests . In 6.1.x this now applies to all guests, not just the 64bit ones. What do you not understand about the error message? It tells you that VT-x is disabled in the BIOS. VirtualBox 6.1 requires that to run. Thank you very much for y...

Hello, I have installed virtualbox on my windows 10 pro platform, but when I press Start, after a few seconds I get the following message: Failed to open a session for the virtual machine FreeDOS. Not in a hypervisor partition (HVP=0) (VERR_NEM_NOT_AVAILABLE). VT-x is disabled in the BIOS for all CP...