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Mac can't verify update and says it's corrupted or tampered

Today I installed Mavericks again and tried to update it !

Most of the updates were successful but when I try to install security update 2015-006 1.0 & safari 7.1.8 system says it can't verify security update 2015-006 1.0 and it's corrupted or tampered ...

I've tried to install these 10 times but the result was always the same


OS X 10.9.5 (13F34)

MacBook Pro 8.2

MacBook Pro, OS X Mavericks (10.9.5), OS X 10.9.5 (13F34) MacBook Pro 8.2

Posted on Sep 1, 2015 12:45 PM

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Posted on Sep 1, 2015 12:50 PM

Did you download the version for Mavericks: Apple Security Update 2015-006?

7 replies

Mac can't verify update and says it's corrupted or tampered

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