This is driving me mad! I'm not a tech person so it's taken me about 2 hours to get this far. Please help me. Microsoft Windows [Version 10.0.10586] (c) 2015 Microsoft Corporation. All rights reserved. C:\WINDOWS\system32>cd C:\Users\Will\Downloads\adapt_authoring-master C:\Users\Will\Downloads\adapt_authoring-master> vagrant up Bringing machine 'default' up with 'virtualbox' provider... ==> default: Box 'base' could not be found. Attempting to find and install... default: Box Provider: virtualbox default: Box Version: >= 0 ==> default: Box file was not detected as metadata. Adding it directly... ==> default: Adding box 'base' (v0) for provider: virtualbox default: Downloading: base default: An error occurred while downloading the remote file. The error message, if any, is reproduced below. Please fix this error and try again. Couldn't open file /C:/Users/Will/Downloads/adapt_authoring-master/base C:\Users\Will\Downloads\adapt_authoring-master> kill me