Hi @BalajiS  From the photo you posted, it appears that you are attempting to install version 3.0 of the HDP Sandbox. It would be helpful to those community members inclined to answer your question if you included: What set of instructions or tutorial you are following to complete the installation What host OS Version you are attempting to install the sandbox on What version of Virtualbox you're using How much memory you've allocated to the virtual machine   Another approach would be to skip installing the HDP 3-based Sandbox because HDP is no longer current. If you're just looking to evaluate a data platform, you can currently do so without a Cloudera subscription by downloading and installing the Trial Version of CDP Private Cloud Base Edition of Cloudera Data Platform. Cloudera has an extensive tutorial on installing CDP Private Cloud Base in an Infrastructure as a service (IaaS) fashion using AWS on its website.     ... View more