cpu problem in pt 7.4

[poisoned dreams]

hey since upgrading to 7.4 le it has been running so slow and a keep getting a cpu error.I don't have any more plug-ins than a normally have in a session, it has been happening ever since upgrading.i am using mbox 2 , mac book pro 2 gb ram

 

[fatalforce]

trying updating with the newest CS update from digidesign.com
I have the same setup and everything runs fine with the CS update