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I am using OSX 10.9.3 in my Mac Mini and XCode 5.0.2. When I execute my project as iPhone retina (3.5 inch) and iPhone retina (4.0 inch) it executes smoothly without any errors but if I want to execute on iPhone retina (4-inch 64-bit), when I select this simulator there is a fatal error:

malformed or corrupted AST file: 'Unable to load module "/Users/WeMitedMacMini1/Library/Developer/Xcode/DerivedData/ModuleCache/34OBPFY26OANR/Darwin.pcm": file not found'.

So I am not understanding for which file Darwin.pcm it generates an error. As far I know I did not use any file named Darwin.pcm. Please help me with this error.

Jared
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user3527358
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  • possible duplicate of [fatal error: malformed or corrupted AST file - Xcode](http://stackoverflow.com/questions/20984166/fatal-error-malformed-or-corrupted-ast-file-xcode) – Ohad Schneider Jan 18 '15 at 10:16

4 Answers4

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In Xcode, go to Window->Organizer->Projects, select your project, and press the "Delete..." button next to "Derived data".

If this doesn't work, you can try to do a Product->Clean ( Cmd+Shift+k ).

Simon Dugré
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Metin Atalay
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you can check below cases

1) just remove your Derived data and delete all application from Simulator

2) Check if there is 64bit support

Kirtikumar A.
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Had a similar problem, seemed to resolve itself after quitting and reopening XCode. Also happened to do a full system restart in between my tries, so maybe that was what did it.

shim
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In my case, the issue is solved when I delete the product file

Haris Khan
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