If you haven’t done it yet, you will. Setting up many VMs for testing or development will make you happy click past the ISO choice when you click start. Then startup fails because you have no media. Most people cuss, delete the new VM entry, then start again from scratch, going slower this time. You don’t have to. Choose the Empty CD icon. Click the down carrot next to the CD image. Select “Choose … Secret to Fixing Virtualbox VM ISORead more