Error:Execution failed for task ':app:dexDebug'. > com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command 'C:\Program

finished with non-zero exit value 2

To resolve this issue you must go to your build.gradle on your module
and add:

 multiDexEnabled true

after defaultConfig {

and  add:

 compile 'com.android.support:multidex:1.0.0'

on dependencies {