So, if you want to have access to the image backup file, you’ll need to mount it or attach it in Disk Management. Press Win+X in combination and choose the Disk Management option.

Boot in Safe mode If you are having a problem where disk images won't mount, try booting in Safe Mode (by holding down the Shift key while starting up), then re-attempting mounting of the disk image.

Learn how to fix Couldn’t Mount File, You don't have permission to mount the file error when trying to mount an ISO image. Here are suggestions to troubleshoot the ...

Repair permissions It is suggested that you repair disk permissions soon after installing Internet Explorer 5.2.3. Several readers note a dozen or more errors reported repaired by Disk Utility ...