U44.. update error http://forums.adobe.com/thread/1289956 may help
-more U44.. discussion http://forums.adobe.com/thread/1275963
-http://helpx.adobe.com/creative-suite/kb/error-u44m1p7-installing-updates-ccm.html
-http://helpx.adobe.com/creative-suite/kb/error-u44m1i210-installing-updates-ccm.html
or
A chat session where an agent may remotely look inside your computer may help
Creative Cloud chat support (all Creative Cloud customer service issues)