In reply to GooseCarnival:
Unfortunately that didn't seem to help D: No idea what the issue is, and what's worse is that I can't even make my own profile to at least play the packs I want.
In reply to GerniTheGreat:
Where did you install Forge to? I don't see any kind of root Forge directory in the Curseforge client.
You should check out Buildcraft. It has exactly those kinds of things V: