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<blockquote data-quote="lclev" data-source="post: 1743713" data-attributes="member: 307555">I doubt apple has malware too but that is what the error indicates but it is probably due to an incorrect date and time on your mac.&nbsp; I found this suggestion : &quot;This error can be because the certificate couldn't be verified because a wrong system time. You can check by executing `date`&nbsp; from the terminal (is located under the utilities).To fix the date execute: `date MMDDHHMMYY` (M=Month, D=Day, H=Hour in 24-hour notation, M=Minute and Y=last 2 digits of year).After this you can install Mac OS...&quot;This article also has information on how to use terminal to correct the date issue:<a href="http://www.macworld.com/article/3097533/macs/installing-os-x-what-to-do-when-this-copy-of-the-install-os-x-application-cannot-be-verified.html" target="_blank">http://www.macworld.com/article/3097533/macs/installing-os-x-what-to-do-when-this-copy-of-the-install-os-x-application-cannot-be-verified.html</a>Lisa</blockquote>

[QUOTE="lclev, post: 1743713, member: 307555"] I doubt apple has malware too but that is what the error indicates but it is probably due to an incorrect date and time on your mac. I found this suggestion : "This error can be because the certificate couldn't be verified because a wrong system time. You can check by executing `date` from the terminal (is located under the utilities). To fix the date execute: `date MMDDHHMMYY` (M=Month, D=Day, H=Hour in 24-hour notation, M=Minute and Y=last 2 digits of year). After this you can install Mac OS..." This article also has information on how to use terminal to correct the date issue: [url]http://www.macworld.com/article/3097533/macs/installing-os-x-what-to-do-when-this-copy-of-the-install-os-x-application-cannot-be-verified.html[/url] Lisa [/QUOTE]

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