Can anyone advise me on what this issue is and how to resolve it (Validate Cable License Failed Error F0). I have confirmed the application key is correct. I have replaced both cables on my interface and still no luck. I tried resyncing the interface through the editor. No luck. I emailed HPtuners support 24 hours ago and still no response. I received an automated response with a link to check on the status. This link is prompting me to log in with no place to log in on the screen. I tried a different internet browser since mine is old and still no way to log in. Any help would be greatly appreciated. Is the entire HPtuners staff at SEMA?