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MotoACTV WorkoutsMotoACTV login credentials are not stored on the server, but in an encrypted cookie on your browser.
Software update 5 Sep 2012:Fixed a bug in temp file handling which caused some "internal server" errors. The issue was naming temp files based on the MotoACTV workout ID, which sometimes included illegal characters.
Next planned update will be to support other kinds of workouts, including non-GPS (treadmill) so heartrate data may be included.