I have same issue. Not able to open CDH 5 default which requires min 4GB of RAM. Using Virtalbox, quick start VM on desktop I see Enterpirse & Express icons to launch but my VM does not have more than 5GB RAM so want to start default. My machine has total 8GB RAM.   I have donwloaded quickstart-vm-5.10.0.-0-virtualbox.    How to start default VM? CDH 5 (default) 4+ GiB*   Thanks in advance!   ... View more