Tekkit_Creeper

Launcher Version: 1.0.1.3 Operating System: Windows 7 Java Version: jdk-7u5-windows-x64.exe Antivirus Program: ? Description of Problem: It strats up, I select any modpack, it downloads and stops at a early percentage like 0-24 then says download failed with a certain percentage. Also i backdated my Minecraft to 1.2.5. Is there a problem? Error Messages: after a little while it says 'Download failed' with a certain percentage Error Log: don't know if there is one