There is a known problem with Acrobat X as included with our current license for Creative Suite 6 for Windows. The problem occurs 30 days after installing the suite, when Acrobat doesn’t start up anymore. There’s no error message; it just doesn’t run.
Solution:
Follow this link:
http://helpx.adobe.com/creative-suite/kb/acrobat-failed-launch-30-days.html
There are multiple solutions listed on that page. I think Solution 1 is the easiest.