Hi, I am using MacBook Pro 13" 2011 late. Mountain lion 10.8.2, 4GB RAM. The problem is that I see the rainbow circle spinning over and over again. I use it for my work: mail, browser, photoshop, etc. I am usually using 10-20 programs at a time. I did clean install, and I've transferred my files from time machine manually. Why manually? Because my time machine backups were 4 years old so I didn't want the files, that might slow my system down back again. Also I've installed all the programs I need, did not transferred them from time Machine. But for e.g. my system preferences loads up 15-20 seconds. It is not normal, right? Activity monitor shows 1GB free RAM, no CPU overload. I dont know what to do. I could do clean install again and not to transfer my info from time machine at all. But I have a lot of bookmarks in my browsers, saved passwords.. So it would be a mess to do it all over again. By the way, all these saved passwords, email, bookmarks are from my first mac 4 years ago in different OS. Is there any way to test, why my mac gets slow? Especially after a few working days with no shut down. Thanks!