Android launch error after update SDK Manager

I meet an error says ‘android launch error’ when run Eclipse android project. You can see a read cross in project root, but you can’t find which file has errors.

This error happened after update Android SDK  Manager. Just delete the ‘debug.keystore’ in ‘C:\Documents and Settings\[user name]\.android’ and rebuild the project is OK.

But you may should uninstall the old APK before you can run the new project when you run.

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Error message: “Your project contains error(s) , please fix them before running your application”.

 Posted by ian at 00:18