Edit: After half day, my wife’s Mac started having the same problem. I have then applied the solution that I found in the Apple
Apple Seed OSX Lion 10.7.2 To Developers
Apple have released OSX 10.7.2 to developers today to add iCloud features. So what has happened to OSX 10.7.1 ? We can expect to see a bug fix released with in the next week. We will give you the latest on OSX 10.7.2 as soon as we get our hands on it.
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