An installation error occurs sometimes for when upgrading from OS X Snow Leopard to OS X Lion “Can’t download the additional components needed to install Mac OS X Java se 1.8 download mac. ” – Check your network configuration as the install needs to pull down software over the internet.
From here, you will be able to reinstall Mountain Lion / Lion. HOW TO FIX This Item Is Temporarily Unavailable This Item Is Temporarily Unavailable! I had this problem in a year but i managed to fix it with the newest OS X El Capitan. Follow my instructions and you will be good to go! Download correct os for macbook air. You will need to download the Lion Installer from the Mac App Store and restore the image to a USB. You can then safely remove the Lion Installer.app from your drive. Below is a guide on how you can fix some of the most common Catalina issues. If you’re someone who has managed to hold off from installing the update, you should read our guide to know about various problems related to macOS Catalina and then decide on whether you should upgrade to it or not.
But the network configuration is OK.!
Check that Software Update can connect directly to Apple Software Update Servers not a custom internal one, remove any Managed Preferences if it is a managed host.
Option 1
If that still doesn’t get rid of the message I have found on a device that the drive needed to be reformatted – the only thing different about the drive I was trying to install to was that it had a Boot Camp partition on it The Boot Camp partition might be a red herring but certainly reformatting the disk solved the issue.
So:
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- clone the main HD drive to an external disk use CCC – link below
- boot from the external
- erase/reformat the main HD – use HFS Extended Journaled
- clone back the main HD from the external
- reboot from the main drive
- run the installation upgrade again
This time – no problems.
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Trying To Download Lion On Macbook Pro But Says Temporarily Unable Delete
If you don’t care whats on the disk just erase it and run the upgrade, I wanted to keep all the data intact in my example, hence the clone back.
Trying To Download Lion On Macbook Pro But Says Temporarily Unable Fix
Cloning courtesy of the fantastic bombastic CCC.
Trying To Download Lion On Macbook Pro But Says Temporarily Unable Delete
Option 2
Another potential solution is to remove any RAM over 4GB run the install and then put the additional RAM back in after – even then try and limit the RAM slots to one, so not 2GB in each – rather 1 slot with 4GB.