How to fix "failed codesign verification" of an iPhone project?

Posted by Horace Ho on Stack Overflow See other posts from Stack Overflow or by Horace Ho
Published on 2010-05-21T03:58:01Z Indexed on 2010/05/21 4:00 UTC
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iphone

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xcode

Last night, the iPhone project was built perfectly.

This morning, I installed XCode 3.2.3 in a separate folder. When I open the same project in the old XCode 3.2.2 and re-built the project. I got this warning:

Application failed codesign verification. The signature was invalid, or it was not signed with an Apple submission certificate. (-19011)

How can I fix it? Thanks!

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