Interface Builder take 100% cpu after upgrading to OSX10.8 and XCode 4

Question

I just upgraded my MacOSX from Snow Leopard to Mountain Lion. The previous version of my XCode is 3, and after the upgrade of MacOSX, I installed XCode 4 as well.

However, when I try to use the new XCode to develop a helloworld-like iphone app, I got this problem. The interface builder process takes 100% cpu and never respond. So for now I cannot do any development job on this computer.

I rebooted the mac and the problem is still there.

Does anyone have ideas why I cannot launch Interface Builder successfully?

Xcode 4.6 doesn't have IB as a separate app anymore. It's built into Xcode itself. Do you mean IB within Xcode or are you running the old IB that's left over from Xcode 3? — Richard Brown, Mar 25 '13 at 04:08

score 0 · Accepted Answer · answered Mar 25 '13 at 03:54

0

Do you have enough RAM to run 10.8 and Xcode together? I would suggest killing background programs or upgrading your Mac, because Xcode never uses that kind of resources.

answered Mar 25 '13 at 03:54

SevenBits

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When the interface builder is running, the free memory is still more than 1GB. Will the RAM be the problem? I do not think so... BTW, thanks a lot for your fast reply! – korolevbin Mar 25 '13 at 03:56
Yeah, I only got 4GB RAM. It is not enough to run XCode on MacOSX Lion. Thanks a lot! – korolevbin Apr 27 '13 at 15:02
Please mark this answer as correct then so I get credit for answering you. – SevenBits Apr 28 '13 at 13:18
I am facing same problem and I have 8 GB of RAM... – Fahim Parkar Oct 24 '13 at 09:09

Interface Builder take 100% cpu after upgrading to OSX10.8 and XCode 4

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