Problem solved.
It was simply the NumLock key that "activated" by the guest when the virtual machine started.
I have no idea of why this is the case with this single guest, when all other guess is not having this issue.
Problem solved.
It was simply the NumLock key that "activated" by the guest when the virtual machine started.
I have no idea of why this is the case with this single guest, when all other guess is not having this issue.