MacOS – AppStore won’t install OS X 10.10.5 update

mac-appstoremacossoftware-update

I am trying to install the 10.10.5 update. It seems impossible. Every time I click "update" in the AppStore and confirm the reboot, a dialog pops up: The available updates have changed. When I click "Show details", nothing happens and the update gets added to the installed updates.

Maybe the download is broken? How can I force the AppStore to re-download the patch? Can I install the update anyway? Where does the AppStore put its downloads?

Best Answer

I updated from 10.10.4 and had the very same problem. Even after rebooting this loop did not end. I solved it by installing the update from the command line with this command:

softwareupdate -i -a

In order to issue this command, open the Terminal application and enter the command. The tool downloaded the software update package and installed it. At the end the tool notifies you to restart your system. After the restart 10.10.5 was installed and everything was fine.

For details about this tool see https://support.apple.com/en-us/HT200113

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In an act of desperation, I managed to fix the issue by:

Deleting /Library/Updates

Doing

sudo defaults delete /Library/Preferences/com.apple.SoftwareUpdate.plist RecommendedUpdates
sudo defaults delete /Library/Preferences/com.apple.SoftwareUpdate.plist DidRegisterLocalUpdates

in a Terminal session

Restarting the Mac

The update is re-downloading now.

Interestingly, before I tested these steps, I found the update ready to install in /Library/Updates, however when I tried to install the PKG file, Installer claimed that another installation needed to finish (?). Deleting it and restarting fixed the problem.

MacOS – Troubles install Xcode 5 on Mountain Lion

I had a similar problem with one of the Xcode 4 versions. What worked for me was to log in to Apple Developer Network (this will work with your free developer account login), at https://developer.apple.com/xcode/

Although that page says to get the most recent version of Xcode at the App store, there is a link that says "For past versions of Xcode or additional tools -- view downloads".

Click the downloads link
Unselect all of the checkboxes on the left except "Developer Tools", type "xcode" in the box at the top of the left column, and hit Enter
The top result will be Xcode 5 - click the disclosure triangle to view the download link for it.
Download the .dmg, double-click on it to mount it and run the installer

Note that the downloads page says that Xcode 5 requires OS X 10.8.4.

As I mentioned, this worked for me when the App Store locked me out with one of the Xcode 4 versions. If this happened to you, please leave a comment indicating whether this solution works for you.

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