Crashes and freezes in OS X are mercifully rare, but they do occur. Fortunately, most of them can be resolved readily; and even though a crash or freeze may have any of numerous causes or symptoms, the same procedure works for troubleshooting most of them.Related StoriesMophie Juice Pack Helium iPhone 5 battery to ship 19 FebOpinion: What's wrong with the Mountain Lion interfacePresident Obama praises Apple for bringing back jobs
