Thanks Harry, appreciate your help.
Regards,

Hank

I'm at the track without my computer(iTunes) if that needed to send crash logs. Is software smart enough to send crash log on crash or need to connect to iTunes? I did retry app with manual start, autocross, track and data check with connect to wifi, all 3 crash.

IPhone 4 running 7.1.2 with just under 1 GB available space, Latest HLT Petrohead, phone currently not using phone service. When trying to use either autocross mode or track mode, as soon as timer appears to start, screen returns to phone homepage. I've been able to delete a lap from data and downlo...