I did everything you asked and same error. I don't understand why the pack successfully installs on windows, but not on mac. I tried deleting the entire technic folder from the application support then reinstalling, but the same error appeared. Is there any reason why these specific mods wouldn't work on just mac?
So I put together a modpack today. When I downloaded it, it was fine and when my other friend downloaded it on windows it was fine. Then another person downloaded it on mac and it did not work. He got the error: Forge Mod Loader has found a problem with your minecraft installation The mods and versions listed below could not be found CoFHCore : any The file 'ForgeModLoader-client-0.log' contains more information Plainly in the mods folder there is CoFHCore.jar Why would it work on windows but not mac? Modpack: http://www.technicpack.net/api/modpack/raygunyodapack log: http://pastebin.com/yUUJbuAD