Xamarin Visual Studio 2015

I installed Visual Studio Community 2015 and Xamarin, but I am not able to emulate my applications, the following error occurs during compilation:

  

1>: Deployment failed

     

1> Mono.AndroidTools.AdbException: No such file or directory

     

1 > at   Mono.AndroidTools.Util.AggregateAsyncResult.CheckError (CancellationToken   token)

     

1 > at Mono.AndroidTools.Adb.AdbSyncClient.EndPush (IAsyncResult   result)

     

1 > at   System.Threading.Tasks.TaskFactory 1.FromAsyncCoreLogic(IAsyncResult iar, Func 2 endFunction, Action 1 endAction, Task 1 promise, Boolean   requiresSynchronization)

     

1> Deployment failed because of an internal error: No such file or   directory

     

1> InternalError

Has anyone ever had the same problem?