i set up xcode to install about 4 hours ago from the appstore. It has been at about 1 millimeter from complete for the past half+ hour and it is not frozen. Is this normal?
i am using an old mac book pro.
Answer:
force quit xcode installer once it starts to hang and then it works. Maybe apple forgot how to calculate when it is 100% done correctly? lol
I found the answer on the link David provided. I posted this edit so it is clear
Yes, this is a common problem and has been previously reported to Apple. Run Software Update and restart your machine. You have to update iTunes for the sync services.
Start App Store again, and go to the purchased tab to re-download it.
https://discussions.apple.com/message/13205586?messageID=13205586
You can also try pausing for a minute, then unpausing before trying the above.