At 09:09 PM 7/29/2015, Don Ferguson via wrote: >My Win 10 pre-release testing showed no issues, and in the case of >TMG, better than Windows 7. >The 2 improvement points are: > >1. if you double-click on a VCF chart file in Win 7, VCF starts, but >doesn't open the file you clicked on - in Win10 it does (as it should). Sounds like an error in the file association -- not passing the %1 argument to VCF on the invocation.... Though looking at my system, the fault is even more crucial -- no open command defined C:\Users\Wulfraed\Documents>assoc .vc2 .vc2=Wholly Genes Software.The Master Genealogist v9 C:\Users\Wulfraed\Documents>ftype "Wholly Genes Software.The Master Genealogist v9" File type 'Wholly Genes Software.The Master Genealogist' not found or no open command associated with it. C:\Users\Wulfraed\Documents> It IS curable... One has to define equivalents to (this is Python language file) C:\Users\Wulfraed\Documents>assoc .py .py=Python.File C:\Users\Wulfraed\Documents>ftype python.file python.file="C:\Python_x64\Python27\python.exe" "%1" %* Giving the path and arguments (I'd probably change the ftype name to something without spaces) -- bieber.genealogy@earthlink.net Dennis Lee Bieber HTTP://home.earthlink.net/~bieber.genealogy/