Were you compiling the model with ragdoll collisions generated? I might have skipped that step if I remember when testing your model, in addition I assume the paths must be correct, unlikely but just to make sure
Hmmm, the links to the redists that someone provided seemed to be different than yours, I'll provide them here if you need them just in case:
-https://www.microsoft.com/en-US/download/details.aspx?id=6041
-https://www.microsoft.com/en-us/download/details.aspx?id=26347


