NEW MAC PRO

When I click to edit the midi ,the piano roll edit window doesn’t come…but if I click on ,about cubase or preferences ,then the piano roll comes…same thing with other editors and sometimes it works fine…is there any settings to be done on mac…???dont have this problem on my macbook pro…and it crashes 5,6 time in the beginning…once it is loaded working fine…

osx 10.9.3…,2.7 Ghz 12 core xeon E5,…32 gb 1867 MHZ ddr3.,.AMD FirePro D700 6144 MB…1tb ssd