CCS v5.2 beta fails to install on Win-7 (home premium w/ SP1 - 64 bit system) with message indicating further info can be fouind in ...installjammer/register/ccsv5/60556fe5-c1a1-4061-8df8-ffb8393bae2d/ccs...
I used the web installer provided on the ccs v5 beta page. I downloaded a second time just to be sure no comm glitch was involved - same result.
Note that ccs v5.1.1.00031 installed successfully after 5.2 failed, as had an earlier version of v5.1.1. - The latest install of 5.1.1 appears to be working properly.