Here is a recommended procedure to quickly resolve this issue. Until this snapshot is removed with the associated VM, the discrepancy refuses to clear and you are unable to remove the ISO file from the images list. The reason for this anomaly is because the disc image is mounted within a VM and is being recognized by a snapshot. In other words, you can't exactly resolve this issue right off the bat.įigure B Locate the problem in the Virtual Media Manager dialog box. Unfortunately, you get an error message ( Figure A) the next time you fire up VirtualBox.įigure A You encounter the VirtualBox error message.Ĭlicking the Check button takes you to the Virtual Media Manager dialog box ( Figure B), and under the CD/DVD Images tab, you discover that, despite your efforts to remove the recently deleted ISO from the list, the Remove button is greyed out and unable to be used. Once a VM snapshot is made within VirtualBox, you turn the VM off and delete the ISO, knowing that it no longer serves a purpose and you want to save disk space. Meanwhile, it would seem prudent for you to create a snapshot of your virtual machine (VM) in the exact state it is in, in case something should go wrong. After setting up the virtual machine, you get the guest operating system booted up and you mount an ISO image to the virtual disc drive for further examination. So you just finished an operating system install within VirtualBox that you plan to use for testing purposes.

How to delete an iso file