HaloMods "Classic" Read-only Archive

My friend is teaching me about modding and he said that i could find out about what was wrong at these forums, when i try and open the program i get an error message:

please help

I think the anwser to your problem would be to download .netframework because all or most of the programs can only ran if you have it
you can find it at this site http://www.microsoft.com/downloads/deta ... laylang=en