Unable to run HelloAndroid tutorial (or any project)

I hav开发者_高级运维e a problem where Android projects I create in Eclipse are unable to run/debug.

In the Package Explorer, there is the small red cross in the top Project Folder which signifies an error somewhere, but there are none in the lower level files of the Package Explorer.

When creating the project, an event appears in the Error Log stating: "Failed to load properties file for project 'HelloAndroid'"

I have tried:

• Looking elsewhere in forum at similar issues
• Reinstalling Eclipse, JDK, SDK, ADT
• "Cleaning" the project

The error remains. What could have caused this problem and what is the solution?

Thanks

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try to see the problem... open the problem tab. Window > Show View > Problems paste here, maybe I can help you better with more information

regards

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Go to “C:\Documents and Settings\.android” OR “C:\Documents and Settings\\Local Settings\Application Data\Android” and delete debug.keystore file. (Linux: $HOME/.android)

Recompile the project and the error should be gone.