the version of interface builder does not support documents of type "interface builder cocoa touch document (XIB 3.x)" targeting "iPhone / iPod touch".

Black Apple
Install a hand existing xcode 3.2, but when they start xib file error, suggesting
the version of interface builder does not support documents of type "interface builder cocoa touch document (XIB 3.x)" targeting "iPhone / iPod touch".
In ib interface selection iphone os will prompt such a mistake, but the choice of mac os x can normally open ib

Then re-find a xcode 4.3 version, but can not start properly installed, suggesting the following error
The Installer encountered an error that caused the installation to fail.Please consult / var / log / install.log for more details.

I opened the corresponding / var / log / install.log, still do not know how to solve this problem

Help!

Reply:
Interface Coding indifferent drifting away, ignoring the IB is started. . . .
Reply:
For a new xcode, reinstalled successfully, thank you upstairs
Reply:
Hello, I am a mac os 10.7 lion version of mac, xcode 3.2 installed after you create a project, interface builder error, reinstall xcode 4.2 ios 5 run after an error, I ask you which version is installed xcode success of it, I used vmware mac rack environment