I would let it run for a day or two and see what happens. Your last data looks pretty good to me. VPLive takes into account some past data to make the calculations. If it was unable to find the data in the WeatherLink files I believe it takes about 12 hours or so to stabilize.
VPlive shows my baro. offset is 0.046inHg. I tweaked it several times over a week or two trying to get close to the local airport averages. I set the baro using WeatherLink direct to the console and not through VVP. I used WeatherLink only because at the time I was more familar with it than VWS. But either way I think your best, at least with the current version of VVP, to make the basic calibration settings direct and not through Virtual VP.