HaloMods "Classic" Read-only Archive

ok im a total noob at this modding stuff (not a halo tho) and every single tool i try to use it tells me that it cant open because of a dll file is missing. can someong please help me with this i realy wanna make some mods but i cant. do i need halo pc instaled? or is the demo version enough. does the dll come with halo pc? please help. the dll is mscoree.dll is there a download for it or something???/

I believe you need the .NET Framework installed. Download it from the Microsoft website. Also Im not sure if the modding tools work with the demo.

the only modding tool that works with halo trial is hmt