ok so I have uninstalled and installed about 20 times already and the driver installs fine but just about everytime i turn my computer off its like it doesnt stay on my computer the thing just stops working and tells me my com 3 does not exist. so i uninstall and reinstall. anyone else have this problem? how did you fix it? last thing how do you save your stock eeprom and all that stuff with ecmread and tunerpro rt I dont have ecmspy.