virtualization - Failed to open a session for the virtual machine win-7 - Ask Ubuntu


ubuntu 16.04.1 showing error while running virtual machine:

failed open session virtual machine win-7. virtual machine 'win-7' has terminated unexpectedly during startup exit code 1 (0x1).  result code:  ns_error_failure (0x80004005) component:  machinewrap interface:  imachine {f30138d4-e5ea-4b3a-8858-a059de4c93fd}

shutdown vm's.

  1. go /home/$user/.virtualbox/ folder
  2. find file virtualbox.xml-prev
  3. mv virtualbox.xml virtualbox.xml.bak
  4. mv virtualbox.xml-prev virtualbox.xml

if fails, can reverse rm virtualbox.xml && mv virtualbox.xml.bak virtualbox.xml

try restarting virtualbox

other possible fixes:

  • sudo /etc/init.d/vboxdrv setup

or

  • sudo dpkg-reconfigure virtualbox-dkms

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