can not export/import mesh from s4studio to blender

Hi, recently i've got the error cant export mesh from base game to blender, it says: 

The Sims 4 Studio - Version 3.1.1.8

System.AggregateException: One or more errors occurred. ---> System.UnauthorizedAccessException: Access to the path 'C:\ProgramData\S4Studio\Scripts\addonpath.py' is denied.

at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)

at System.IO.File.InternalDelete(String path, Boolean checkHost)

at System.IO.File.Delete(String path)

at S4Studio.Blender.BlenderUtilities.RunBlender(String script, String blend, Boolean background, Boolean check_version)

at S4Studio.Blender.BlenderUtilities.InstallAddon()

at S4Studio.ViewModels.CAS.CASStandalone.<>c__DisplayClass74_0.<ExecuteExportMesh>b__0()

at System.Threading.Tasks.Task.InnerInvoke()

at System.Threading.Tasks.Task.Execute()

--- End of inner exception stack trace ---

---> (Inner Exception #0) System.UnauthorizedAccessException: Access to the path 'C:\ProgramData\S4Studio\Scripts\addonpath.py' is denied.

at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)

at System.IO.File.InternalDelete(String path, Boolean checkHost)

at System.IO.File.Delete(String path)

at S4Studio.Blender.BlenderUtilities.RunBlender(String script, String blend, Boolean background, Boolean check_version)

at S4Studio.Blender.BlenderUtilities.InstallAddon()

at S4Studio.ViewModels.CAS.CASStandalone.<>c__DisplayClass74_0.<ExecuteExportMesh>b__0()

at System.Threading.Tasks.Task.InnerInvoke()

at System.Threading.Tasks.Task.Execute()<---




I have Blender 2.7 installed and linked with s4studio. and Net framework 4,7 installed.