You can donate in BTC to the address 3GubEkHV69gCkjWhRgRWYqWqyjcWW3gxFF, or in BCH to bitcoincash:qq6jttzlvgj68lvecnh75pt3znezj4v圆sysfvj3j5. If this doesn't fix it, please contact me on Reddit. If VirtualBox doesn't start normally, delete your configuration folder and try to start it again. Warning: This mod can screw with your VirtualBox settings.