iPhone: Failed to launch simulated application: Unknown error.

Posted by Schubert on Stack Overflow See other posts from Stack Overflow or by Schubert
Published on 2009-04-22T20:37:01Z Indexed on 2010/05/15 17:44 UTC
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Filed under:

iphone

|

iphone-simulator

|

iphone-sdk

This is a new iPhone project, only 1 target (different from this question)

On build we get:

Failed to launch simulated application: Unknown error.

The google again gives us nothing, lots of people have encountered this and there are lots of crazy ideas to try "oh clean the build", "clear the cache", "twiddle this flag" and none of them work and work consistently. We can reproduce this on two different machines with SDK 2.2.1 and 3.0 beta. Not the install on the machines since other iphone projects work just fine so we believe it has something to do with the config of this particular project but after combing through the config twice we can't spot the problem.

Vanna, I'd like to buy a clue for $200 please.

Tried: XCode menu->Clear cache
Tried: clean all targets
Tried: rm -rf ~/Library/Application\ Support/iPhone\ Simulator

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