Whenever I try to run the virtual machine this error comes up:

Failed to open a session for the virtual machine Mavericks.

UUID {d2b7e883-8f73-41fc-9fde-11bc09a1a548} of the medium '/home/username/VirtualBox VMs/Mavericks/Mavericks.vdi' does not match the value {2ef03316-8e5e-44d8-b61e-b55ca5276cf3} stored in the media registry ('/home/username/.config/VirtualBox/VirtualBox.xml').

Result Code: NS_ERROR_FAILURE (0x80004005) Component: MediumWrap Interface: IMedium {4afe423b-43e0-e9d0-82e8-ceb307940dda}

My host machine is running Linux mint 17.2 and I am using the Niresh 'distro/pirated' 'version' of Mac OSX 10.9 (which i got from this guide here)


Did ya try this:


It seems to be a similar problem.


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