mainattractions

Hey everyone, im having an issue downloading tekkit from the tekkit launcher. When I go to install in it says this message: Error downloading file for the dollowing pack: Tekkit Failed to download http://mirror/technicpack.net/Technic/mods/powercrystalscore/powercrystalscore-v1.1.3.90.zip Please consult the mudpack author I deleted my .technic folder and then reinstalled it but it still wont work, can someone please help me as I had just set up my server for it and now I cant install tekkit.