Jeffree Lassitter
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(Dec 17, 2008 - 6:57 AM)
I've found from previous experience that running the Repair Disk Permissions feature within Disk Utility JUST BEFORE installing system updates prevents post-update complications. I used the 190-Mb Software Update on both a new Intel iMac and an old PPC iBook G4 without aftereffects after running the Repair Disk Permissions feature. Not sure why file/folder permissions get so improper in the first place but there're usually a slew of repair changes to be done. It also saves time to skip the Verify Disk Permissions feature and to just run the Repair Disk Permissions since one always ends up doing the latter anyway.