i recently downloaded three mod's and then tried to load my main tryed it
said that there where problems and my main file could not load properly.
so i deleted the mod's and tried again but it still did not work. then i tried
another one of my files and it worked fine. how do I get my main file
back?!?!?!?!?!?!

...Maybe someone would be more willing to help you if your post indicated that you had the atom of intelligence necessary to describe your problem without using an animated GIF every line. Actually describing your problem would help, also -- don't just post gibberish occasionally interrupted by something like "the main file isn't loading;" say the exact error message, what you did to cause the problem, what steps you've taken to fix it, and other relevant information, along with what the hell a "main file" is.