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All replies
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Helpful answers
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May 16, 2016 3:20 PM in response to micpocby Carolyn Samit,Did you, "Check Update to download and check update again." as it mentions?
Did you restart your Mac then try again.
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May 16, 2016 4:00 PM in response to Carolyn Samitby micpoc,Well, that did not seem to work. After resetting the NVRAM, I went to the App Store and tried again; after clicking the restart now option, it went to a darkened screen with no progress bar showing installation. I left it there for about ten minutes, then shut down the computer and restarted. The App Store is still showing that the update is not installed. In addition, for some reason, I am now unable to open my Opera browser either.
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May 16, 2016 4:37 PM in response to micpocby Carolyn Samit,Ok..
You aren't trying to download the security update for v10.9 Mavericks are you? >> https://support.apple.com/kb/DL1878?locale=en_US
If the update is for 10.10.5 Yosemite, as your profile suggests, restore OS X. You can restore from a Time Machine backup if necessary.
Startup your Mac while holding down the Command + R keys.
From there you can restore OS X using OS X Recovery.
Then try the security update.
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May 16, 2016 4:37 PM in response to Carolyn Samitby micpoc,I shouldn't be trying to install a Mavericks update, as I am not RUNNING Mavericks; I'm running Yosemite, and 2016-003 shows up in my App Store as a download. If it's only for Mavericks, then why is the App Store telling me to install it?!?
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May 16, 2016 4:41 PM in response to micpocby Carolyn Samit,It's only for Mavericks users.
Only install updates for the OS X installed on your Mac.
I have a Mac running v10.11 El Capitan. The same Mavericks update is showing in the App Store for me.
That's why you are having problems ...
Restart your Mac. See if it boots as it should.
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May 16, 2016 4:44 PM in response to Carolyn Samitby micpoc,Well, then the App Store shouldn't be telling it if it is only for Mavericks!
The App Store says:
Security Update 2016-003 10.10.5
Security Update 2016-003 is recommended for all users and improves the security of OS X.
It provides this link: Apple security updates - Apple Support
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May 16, 2016 4:47 PM in response to micpocby Carolyn Samit,In the future you can have security updates installed automatically.
Open System Preferences > App Store then select: Install system data files and security updates
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May 16, 2016 4:56 PM in response to Carolyn Samitby micpoc,Well, considering the potential hours this is going to cost me right now, I am not so sure I want to enable anything automatically. Right now, I have an update listed in both the App Store and the Apple menu that I am still uncertain I am even supposed to install, AND I cannot open the browser that I've been using for a decade. In the past, whenever I've restored from a Time Machine backup, it's never seemed very stable. I'll try it in a little while, but this should not have been anywhere near the headache that it has been. Fortunately, I did do a Time Machine backup just prior to attempting the update.
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May 16, 2016 10:41 PM in response to micpocby micpoc,I restored through Time Machine to the installation I had prior to the App Store update and, as I predicted, I have an incredibly buggy install now: only Safari and Firefox browsers will open (i.e., Opera, Chrome, AND Vivaldi hang and have to be forced to quit), my external monitor is NOT being recognized, and I STILL have both the App Store AND the Apple Menu telling me that I have an install to perform.
Is there ANYTHING I can do to fix this problem, besides the hours and hours of work that a clean install of Yosemite will require? NOTHING in that App Store notification said anything about this update not being for users of Yosemite. It specifically says "Security Update 2016-003 10.10.5" which is the OS I am running, and now that update has completely screwed up my computer.