I downloaded the virtualbox version of the 5.12 Quickstart VM to double check your results. After unzipping the download the OVF file was present so perhaps you had a corrupted download.      While I have you, I would suggest checking out our community article How to setup Cloudera Quickstart Virtual Machine for instructions on installing the VM as well as common issues people run into.    I hope this helps get you started. 🙂 ... View more