HaloMods "Classic" Read-only Archive

1 probelm with each program. i want to learn 3d modeling so i can make my own level when ever HEX comes out so here htye are:

Gmax-when ever i save a file and try to reopen it, it gives me a error. i dont know why so thats why i am asking. it says not a .gmax file.

milkshape- i cant even get it open. it says if this is your computes time and date, then i click yes then i get a windows error wasying end program.

thanks alot guys.

id say reinstall both dont think theres much u can do.