Security update 2016-002 could not be verified

I am running Yosemite 10.10.5.  Was invited this afternoon to install updated system "Security Update 2016-002.  He made a download of 461 MB and then forced a reboot.  After reboot, the update carried out for a few seconds, and then suddenly ended with a pop up that says the downloaded update could not be verified.  Here is the line of the error: "Security Update 2016-002 could not be verified.  It may have been damaged or corrupted during the download.  "Click Update to download and check again the update.  I've done three times.  The update failed every time, the same reason in the error message.  This update is passed through QA?  Any ideas on that?

I too have this problem. I'm running OS X 10.9.5.  Whenever I tried to install the new update, I said that "a security update 2016-002 cannot be verified," etc.  I tried to go into safe mode and I am still unable to install the update.

All solutions?

Tags: Mac OS & System Software

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