When you install the USB driver for El Cap, it shows page relating to CodeBender walkthrough and then fails when you try to continue. <img width="619" alt="screen shot 2016-09-26 at 3 20 17 pm" src="https://cloud.githubusercontent.com/assets/1610195/18854072/ce54fd3e-8416-11e6-9c08-74b8cd64c10c.png">
When you install the USB driver for El Cap, it shows page relating to CodeBender walkthrough and then fails when you try to continue.