Erro ( The application has stopped unexpectedly)

Olá, pessoal

Tentei executar o meu projeto, mas apareceu o seguinte erro

The application has stopped unexpectedly. Try again.

O que pode ser?

Coloca o error que aparece em vermelho no logcat do eclipse quando sua aplicação para de funcionar para descobrir o que está errado.

Aqui está

04-11 16:10:16.119: E/AndroidRuntime(271): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.brincandocomlayouts/com.example.brincandocomlayouts.MainActivity}: android.view.InflateException: Binary XML file line #82: Error inflating class android.widget.Button
04-11 16:10:16.119: E/AndroidRuntime(271): Caused by: android.view.InflateException: Binary XML file line #82: Error inflating class android.widget.Button
04-11 16:10:16.119: E/AndroidRuntime(271): Caused by: java.lang.reflect.InvocationTargetException
04-11 16:10:16.119: E/AndroidRuntime(271): Caused by: android.content.res.Resources$NotFoundException: File res/drawable/botao_customizado.xml from drawable resource ID #0x7f020000
04-11 16:10:16.119: E/AndroidRuntime(271): Caused by: org.xmlpull.v1.XmlPullParserException: Binary XML file line #2: invalid drawable tag Selector
04-11 16:22:09.059: E/AndroidRuntime(277): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.brincandocomlayouts/com.example.brincandocomlayouts.MainActivity}: android.view.InflateException: Binary XML file line #82: Error inflating class android.widget.Button
04-11 16:22:09.059: E/AndroidRuntime(277): Caused by: android.view.InflateException: Binary XML file line #82: Error inflating class android.widget.Button
04-11 16:22:09.059: E/AndroidRuntime(277): Caused by: java.lang.reflect.InvocationTargetException
04-11 16:22:09.059: E/AndroidRuntime(277): Caused by: android.content.res.Resources$NotFoundException: File res/drawable/botao_customizado.xml from drawable resource ID #0x7f020000
04-11 16:22:09.059: E/AndroidRuntime(277): Caused by: org.xmlpull.v1.XmlPullParserException: Binary XML file line #2: invalid drawable tag Selector

o erro tá na linha 82 do res/drawable/botao_customizado.xml , aparentemente tem algum recurso não encontrado,talvez uma imagem que vc tenha removido do projeto e ainda faz referencia no xml.

04-11 16:10:16.119: E/AndroidRuntime(271): Caused by: android.content.res.Resources$NotFoundException: File res/drawable/botao_customizado.xml from drawable resource ID #0x7f020000
04-11 16:10:16.119: E/AndroidRuntime(271): Caused by: org.xmlpull.v1.XmlPullParserException: Binary XML file line #2: invalid drawable tag Selector

Ok, vou dar uma olhada aqui. Obrigada!!