Android building

I downloaded sdk, jdk, unity5 and set the right paths. made a empty scene and build to test but there are two errors if you solve it you will save my life there are many asks about it but no exact solution please help me

(because there are erros i redownladed but cannot solve. so i format the computer but still exist.)

two errors :

Error building Player: CommandInvokationFailure: Failed to re-package resources. See the Console for details. C:\Users\aks_\Desktop\android-sdk-windows\build-tools\24.0.0\aapt.exe package --auto-add-overlay -v -f -m -J gen -M AndroidManifest.xml -S "res" -I "C:/Users/aks_/Desktop/android-sdk-windows\platforms\android-24\android.jar" -F bin/resources.ap_

stderr[

] stdout[

]

CommandInvokationFailure: Failed to re-package resources. See the Console for details. C:\Users\aks_\Desktop\android-sdk-windows\build-tools\24.0.0\aapt.exe package --auto-add-overlay -v -f -m -J gen -M AndroidManifest.xml -S "res" -I "C:/Users/aks_/Desktop/android-sdk-windows\platforms\android-24\android.jar" -F bin/resources.ap_

stderr[

] stdout[

] UnityEditor.Android.Command.Run (System.Diagnostics.ProcessStartInfo psi, UnityEditor.Android.WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg) UnityEditor.Android.PostProcessAndroidPlayer.Exec (System.String command, System.String args, System.String workingdir, System.String[] progress_strings, Single progress_value, System.String errorMsg) UnityEditor.Android.PostProcessAndroidPlayer.CompileResources (System.String stagingArea, System.String packageName, UnityEditor.Android.AndroidLibraries androidLibraries) UnityEditor.Android.PostProcessAndroidPlayer.PostProcessInternal (System.String stagingAreaData, System.String stagingArea, System.String playerPackage, System.String installPath, System.String companyName, System.String productName, BuildOptions options, UnityEditor.RuntimeClassRegistry usedClassRegistry) UnityEditor.Android.PostProcessAndroidPlayer.PostProcess (BuildTarget target, System.String stagingAreaData, System.String stagingArea, System.String playerPackage, System.String installPath, System.String companyName, System.String productName, BuildOptions options, UnityEditor.RuntimeClassRegistry usedClassRegistry) UnityEditor.HostView:OnGUI()