video settings

I can't figure out how to get my video files from a Gopro 3+ to the Gopro Studio. Every single file is "corrupted or in an unusable format" according to Gopro Studio. I'm certain this is like a kindergarten question to anyone with experience with Gopro, but I'm not there yet. Somebody tell...

hey everyone, i'm a novice gopro user and i'm looking for advice on the best video settings for my gopro hero 3 black edition for use at a night-time concert. i am a DJ and i will be on stage with the camera. i plan to take some shots facing out into the crowd where there will be no lights...