I Have Mac book pro which I brought before a 2 year ago. It is working fine and I love Apple. I am using MAC OSX lion 10.7.1 in my system. New updates are release for MAC OS X lion and I upgrade it in my system. I want to update MAC OS X Line to 10.7.4 from 10.7.1. But I am little bit scary to do that because my cousin updates his system directly from 10.6.8 to 10.7.4 and he was occurred the problem along with Bluetooth. Then he removes those Updates by restoring system through time machine and after that his computer working well. So, I want to know that there is problem along with Updates or problem is occurred because directly jump to 10.6.8 to 10.7.4. Should I update directly to 10.7.4 from 10.7.1 or use upgrade in order of number.