Strange errors with latest beta

Hello

I’m getting strange errors while trying to debug app:

Error    15    (MSB4018) The "SmartCopy" task failed unexpectedly.
System.IO.IOException: The process cannot access the file 'pathToMyApp\myApp.app' because it is being used by another process.
   at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
   at System.IO.Directory.OpenHandle(String path)
   at System.IO.Directory.SetLastWriteTimeUtc(String path, DateTime lastWriteTimeUtc)
   at System.IO.Directory.SetLastWriteTime(String path, DateTime lastWriteTime)
   at RemObjects.Oxygene.MSBuild.Mono.SmartCopy.Execute()
   at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute()
   at Microsoft.Build.BackEnd.TaskBuilder.<ExecuteInstantiatedTask>d__20.MoveNext()    C:\Program Files (x86)\MSBuild\RemObjects Software\Oxygene\RemObjects.Oxygene.Nougat.targets    204    5    myApp

I got it maybe 10 times. Even on fresh VS run. Second run and all works. It’s random. Never say this kind of error.

b.r.

Got any more context? What platform, when does it happen, etc?

I’ll give more info in few days. I’ll be not available for 3 days. I had no more issues after create this post.
Platform: Windows 8.1
Visual studio 2013 community RC5 update

It happen only when I try to debug my application. It’s big and compiling take some time (~20 sec). Before debug start (and after full compile) I got this error and VS just show it. After retry (again debug) it work correctly. Very often I must restart VS because of memory eating and code completion problem, breakpoints set problem and I got this error too. I’ll check if VS log this error and will let You know.

b.r.