SRL Archive - OSR Help

I tried to download this path creator: http://villavu.com/forum/showthread.php?t=71461, but when I opened it, it said I am missing some .net framework? help please

google is your friend

it's not… I downloaded v4 and still got the error. Which version should i download?

Uninstall .Net 4 and then install 3.5, then 4.