i using the 1.6.4 version
i have too that problem but scala compiler and scala library are good
but it couldn't download http://files.minecraftforge.net/maven/net/minecraftforge/minecraftforge/9.11.1.965/minecraftforge-9.11.1.965.jar.'>http://files.minecraftforge.net/maven/net/minecraftforge/minecraftforge/9.11.1.965/minecraftforge-9.11.1.965.jar.
This is the few last lines of development console after i click to buton "play"
Gave up trying to download http://files.minecraftforge.net/maven/net/minecraftforge/minecraftforge/9.11.1.965/minecraftforge-9.11.1.965.jar for job 'Version & Libraries'
Finished downloading C:\Users\Rišo007\AppData\Roaming\.minecraft\versions\1.6.4-Forge9.11.1.965\1.6.4-Forge9.11.1.965.jar for job 'Version & Libraries': Couldn't connect to server (responded with 403) but have local file, assuming it's good
Job 'Version & Libraries' finished with 1 failure(s)!
i have this proble only i have in folder mods mod Galacticraft.
i try to reinstal minecraft and forge few time but it still dont working.