It is not easy to recognise that the issue was caused by renaming the path (in this case, the SSD disk) of the virtual machine as not until restarting VirtualBox, it is not observed there is any error on the virtual machines.vbox may be corrupted, then it is necessary to rename the. In case, the there’s unexpected quit of VirtualBox, the.
vbox (that’s the virtual machine file, not the. After renaming back to original disk name, still have to This case was caused by previously renaming the external SSD storing the virtual machine files. Not only the virtual hard disks, but all the virtual machines files. Then it was a big surprised that all virtual machines are inaccessible. Please inspect the error message shown below and press the Refresh button if you want to repeat the accessibility check.” After saving states of all virtual machines of VirtualBox running on Mac, rebooting the Mac host without any issue. “The selected virtual machine is inaccessible.