TMS320C6713B: Can'l oad compilor

Part Number: TMS320C6713B


Code composer version 12.7  I an trying to load an earlier compiler (which I have previously completed. I repeatedly get the followingt error.

I am using Help->Install code generation..

Unable to read repository at http://software-dl.ti.com/dsps/dsps_public_sw/sdo_ccstudio/codegen/Updates/p2win32/content.jar.