I have had a Macbook for about 2 months, and the 1st 2 months all the applications (including system preferences) has worked without a problem. Just about a week ago, iwent to open system preferences. That worked fine. But, when i went to click on "Desktop & Screen Saver" the application froze for a minute, then automatically quit! A screen poped up saying "The application system preferences quit unexpectedly", and gave the the option of closing it, reporting it, or reopening it. I tried to reopen it, but that didn't do anything (the same thing happened). So, i tried to restart my laptop, and when it had finished restarting, i went to do the same thing as before (open desktop and screen saver) and it "quit unexpectedly" again, and the same screen poped up. I still cant get it to open, and it has already been a week. Please help...