Cod Black ops t5m help

Hellp meee , i donwload the cod Black ops t5m ALL dlcs, i tried to update but i have the "t5m game Dll donwloading errror with curlcode0x12" and "t5m.exe error...." I cant donwload update and cant play the game ;-;, why i have to do?????,(i AM Brazilian my english Is bad)