I have tried creating Linux VMs, like Linux Mint, and I keep on getting the same error:
Failed to open the Optical disk file "..."
Could not get the storage format of the medium '...' (VERR_NOT_SUPPORTED). I never had this issue before. I am running windows 8 now. not sure if that has to do with anything.

Somebody solved a similar problem recently. Don't be shy to use Bing/Yahoo/Google etc.

Can we assume it did work at one time?

From your report, I'd get the feeling the ISO file has some issue.

I verified the hashes, and they matched. VB did work for me on windows 7.

I tried vmware, and I get this error.

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So it has not worked on windows 8 that you know of correct?


It may be that you have attached a scsi/sata cd and you ought to connect an ide cd???? You are using an iso file and not a true cd drive?


Guess it could be some other vb setting but not sure what. Virtualbox is reported to be fully working on windows 8.

From your clip it shows that the system has already booted to a virtual machine and it fails within the client.

I use an ISO image. and maybe I can try Ubuntu, which should definitely run on either one. I have not touched any of the settings on either one.

So I was able to install Ubuntu, then it asked me to restart, and then it crashed. When I start it up again, it goes through the re-installation again.

The crash deal worries me. Virtualbox on Windows 8 is a very stable application for almost everyone. It may be that your hardware has some problem. Maybe bios settings or ram set too fast?? You simply should have have these issues.

How much system ram? Is VT tech enabled in bios? Do clients have enough ram assigned? Did you try to copy existing vm's?

I was able to get xubuntu 64-bit to run on vmware player. i have 6gb of ram on my laptop, and I do have intel VT enabled at the bios. i assign 2048 mb of ram. will try to install that xubuntu on virtualbox to see how it does.

If vmplayer works then just stick with it maybe. Glad something is going right.

Xubuntu installed fine on virtualbox. Not sure why it is not accepting some of the other ones. when I try to install lubuntu, for example, on vmware player, it tells me that it could not detect which OS is in the disc image, and that I will need to specify it. It also happens with other distros as well.

Oh, I think I get what is going on. Some of the automated install process tries to set up the machine for you. You may have to select or type in the correct choice TO INCLUDE x64 or some reference to 64 bit. Then the machine will be a full 64 bit client.

I think I would type in linux64 or ubuntu64 or centos x64 .

I installed LinuxLite 64bit in VirtualMachinePlayer on a Toshiba Satellite running Windows 7 around three months ago - with no problems then or since. This, however, was after trying with more than two dozen other distros, large andf small, Debian/Ubuntu, Fedora, Slackware etc which, for various reasons, failed to instal or, after apparently successful installation, failed to run properly.
LinuxLite is not a well known distro but certaionly worth a try - and it does not have to remain 'lite'. Mine is currently occupying 66Gb of disc space and still growing.
Feel free to contact me if you are interested/need more info.