I have been used JChem Excel for a while (my academic license expires in July 2015). However, I cannot use JChem
Function anymore. In Excel option, I wanted to JChemExcel Functions
(from the "add-in (COM add-in)") but I could not do that. I got error
message (R6025-pure virtual function call). If
you know the reason, can you please help me?
Thank you very much,