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I have a v2 for a 2018 si,I'm trying to download a tune onto the unit.I plug the v2 into my computer and try to save a tune to the v2 to take out to the car to upload the screen comes up on the computer that says name the tune and choose a number to download it to so when you go out to the car you c...

I'm sure this is not the first time hearing this BUT,My tuner is not retaining my tunes.I name the tune pick the number slot i want and it starts the download,progresses to the end than nothing I go to the numbered slot and no download.What am I doing wrong?