Fail to convert old mathcad file
I tried to convert old mathcad file but the following error pops up ( I have a Mathcad prime 7 installed)

I also have enabeled the .Net Framewor....on my windows, but I still have the same error after that as well. I really nedd the files for my PhD project. Can someone help me with this issue please. Ican also upload the file so that you can help me converting the file.
Thank you
Tadele

