If you have device (PC, Notebook or sth.) with USB and Windows 8 system, and you want to install AccessTUNER Race software for your COBB AccessPORT, the installer may not be able to find your device. This is because there is not appropriate driver installed for AccessPORT. But this is a workaround: you need to install AccessPORT Manager first, and then get a driver from AccessPORT Manager directory. I found a site where this is described step by step with screenshots, here you are:
https://cobbtuning.zendesk.com/entries/22617461-AccessTUNER-Race-and-Win...
Good luck!