Hi I just want to ask if it is normal for the checking of new software using software update in system preferences takes long time to complete? From my previous use of it, it just takes a couple of minutes to check for any update and the downloading ang installation is the one that takes much time to complete. But now, checking only for updates took me hours and it does not complete so I have to cancel it. I cannot check for new updates. Is there a problem with my macbook? Kindly please advise. Thanks a lot!!