Some of the selected updates couldn't be saved

The update could not be expanded and verified. It may have been corrupted or tampered with during downloading. The update will be downloaded and checked again the next time that software update runs.

An error occurred during download.

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2 Answers

I'd try restarting and running Software Update again.

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I had a similar error. I moved the two following folders out of the way and let them rebuild.

  1. ~/Library/Caches/com.apple.SoftwareUpdate
  2. /Library/Updates
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comment by an anonymous user - "Just what exactly do you mean by "moved... out of the way"?" – Sathya Jul 27 '11 at 12:43
'mv ~/Library/Caches/com.apple.SoftwareUpdate ~/Library/Caches/com.apple.SoftwareUpdate.old' and 'mv ~/Library/Updates ~/Library/UpdatesOld' through Terminal – jmlumpkin Jul 28 '11 at 12:07
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I think you mean /Library/Updates not ~/Library/Updates – Munroe May 3 at 21:53
Yes, you are correct. – jmlumpkin May 4 at 11:39
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