error en netbeans 7.0.1

[coke21]

Hola tengo un problema tengo instalado android en netbeans, al hacer run aparece el emulador de android, pero cuando voi a mainActivity me tira un error, y se que el codigo esta bueno porque funciona en otro computador. Mi error lo colocare a continuacion, estoy trabajando con la version 2.2 de android.

ojala me puedan ayudar

Gathering info for Andro...
Android SDK Tools Revision 15
Project Target: Android 2.2
API level: 8
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Resolving library dependencies:
No library dependencies.

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WARNING: No minSdkVersion value set. Application will install on all Android versions.
Creating output directories if needed...
Created dir: C:\Documents and Settings\jorge\Mis documentos\NetBeansProjects\Andro\bin\res
Created dir: C:\Documents and Settings\jorge\Mis documentos\NetBeansProjects\Andro\bin\classes
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Handling aidl files...
No aidl files to compile.
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Handling RenderScript files...
No renderscript files to compile.
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Handling Resources...
Generating resource IDs...
C:\android-sdk-windows\tools\ant\build.xml:600: warning: 'includeantruntime' was not set, defaulting to build.sysclasspath=last; set to false for repeatable builds
Compiling 2 source files to C:\Documents and Settings\jorge\Mis documentos\NetBeansProjects\Andro\bin\classes
Converting compiled files and external libraries into C:\Documents and Settings\jorge\Mis documentos\NetBeansProjects\Andro\bin\classes.dex. ..
Crunching PNG Files in source dir: C:\Documents and Settings\jorge\Mis documentos\NetBeansProjects\Andro\res
To destination dir: C:\Documents and Settings\jorge\Mis documentos\NetBeansProjects\Andro\bin\res
Crunched 0 PNG files to update cache
Creating full resource package...
Creating Andro-debug-unaligned.apk and signing it with a debug key...
Running zip align on final apk...
Debug Package: C:\Documents and Settings\jorge\Mis documentos\NetBeansProjects\Andro\bin\Andro-debug.apk
debug:
Creating new property file: C:\Documents and Settings\jorge\Mis documentos\NetBeansProjects\Andro\bin\build.prop
Updating property file: C:\Documents and Settings\jorge\Mis documentos\NetBeansProjects\Andro\bin\build.prop
Updating property file: C:\Documents and Settings\jorge\Mis documentos\NetBeansProjects\Andro\bin\build.prop
Updating property file: C:\Documents and Settings\jorge\Mis documentos\NetBeansProjects\Andro\bin\build.prop
BUILD SUCCESSFUL (total time: 7 seconds)