DPlot

All is working now. Must be an update from win10
my working rev is
2018-12 Cumulative Update for Windows 10 Version 1803 for x64-based Systems (KB4471324)


RESOLVED

This site might also shed some light on problem.
https://docs.microsoft.com/en-us/window ... file-types

or possibly this
https://docs.microsoft.com/en-us/window ... fa-progids

win10 startmenu/settings/apps/default apps/chose defalut apps for file types. *.grf isn't listed. see also https://www.digitaltrends.com/computing/how-to-change-file-associations/ and the nuget "If there isn’t an option, you can either go and download a compatible application from the web you...

I am having problems with my new win10 install. It hasn't allowed the association of DPLOT to the *.grf extension. I've tried to right click and assign. It opens and knows that I've used Dplot in the past. It asks if I'd like to use Dplot for *.grf, but I can assign it FOREVER to always know to use ...