Ok, I went to tune my truck, I read the file and saved using my last two credits. I then go to write the file and it tells me that in need to purchase a license for the file. I don't get it I already purchased the file for my truck vin. I have tried to re-read it and do it again but nope. Ive tried to uninstall HP Tuners and reinstall it and no luck I have to get this truck started today please help.