MacBook Pro's CS4 Wheel of Death.. Memory?

[woolnet]

Hi all

I changed my trusty Powerbook for a newer MacBook Pro 2.33 GHz Intel with 2GB 667 Mhz DDR2 SDRAM (that's what it says) running 10.5.8, so I could run CS4 Photoshop, Dreamweaver etc etc....

I just cannot work with it! Everytime I try to do anything, I have to wait while the wheel of death decides to show me a menu, scroll up the page, select and delete an item, etc. etc. you get the picture....

Can anyone tell me what to check (in laymans' terms please) and how I might resolve this issue?

Thanks, in advance... now, where's my old G3.....

ps. Quark and Illustrator seem to run perfectly ok...

 

[BlueRevolution]

You bought this computer used, yes? Did you do a fresh reinstall of Mac OS X when you got it?

 

[woolnet]

You bought this computer used, yes? Did you do a fresh reinstall of Mac OS X when you got it?

Hi, yes. I bought it from a friend who cleaned it all and gave it a fresh install.

Thanks