The Weather Forecasting Forum

Hi! Thanks for your help everyone. As suggested, I turned off my firewall and virus scanning and downloaded another copy of DA and I left them off while the installation was in progress. I am very happy to say that now I have a functional copy of DA in Windows 7. I can't prove it, of course, but it ...

I downloaded and installed DA on 24 Feb 2011. I launched DA a couple of times after that and each time some of the surface isobars would only draw part way then go to the edge of the chart as several straight parallel lines bearing no relationship to the underlying data. Then, on 26 Feb 2011, Window...