Unable to solve this error can anyone help me?

Unable to insert the virtual optical disk C:\Program Files\Oracle\VirtualBox\VBoxGuestAdditions.iso into the machine ubuntu.

Could not mount the media/drive 'C:\Program Files\Oracle\VirtualBox/VBoxGuestAdditions.iso' (VERR_PDM_MEDIA_LOCKED).

Result Code: E_FAIL (0x80004005)

Component: ConsoleWrap

Interface: IConsole {872da645-4a9b-1727-bee2-5585105b9eed}

Callee: IMachine {85632c68-b5bb-4316-a900-5eb28d3413df}

  • Please provide the applicable log generated by VirtualBox – Ramhound Aug 14 '20 at 9:28

Shutdown all Open virtual machines, if any VM is in saved state then start it and shutdown it. Then go to Virtual media manager, and if you find VBoxGuestAdditions.iso among them with check mark, uncheck it. Reboot the VM to check if the problem solves.

  • Thanks for your response. In optical disks I have VBoxGuestAdditions.iso but there is no check box to that – mounika yarabolu Aug 14 '20 at 10:12
  • Then remove it from there – Wasif Aug 14 '20 at 10:13

Try to manually mount the virtual CD/DVD drive. This can often help many systems don't mount CDs automatically anymore.

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