I perform clean install when I upgrade OS of Mac.

Previously I upgrade MacOS to High Sierra, but I didn’t perform clean install becuase I have been busy and it takes a lot of time to rebuild the environment. Now I have a time and motivation to perform clean install, I did it. However, after clean install, I failed to install Xcode.

When I try to install Xcode from App Store, I failed with the following message “Xcode was not downloaded. Try it again in the purchased page.”

orz… I did it according to the message.

I searched it by google, and someone also failed to install Xcode from App store. I try Safe Mode (boot with Shift), but I failed again.

I download Xcode on Apple Developers and succeeded to install it.

I don’t know why…

Categories: Essay


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