Common problems with TunerPro USB connections and no data. Read this from Moates.
http://www.gearhead-efi.com/Fuel-Inj...ro-Tuning-Talk

Common problems with glitchy jumping data with TunerPro V5 and Imported TPV4 ADS file to TPV5 ADX file from Moates.
http://support.moates.net/2011/06/05/tprtv5-ads-to-adx/