Error occur when I try to export mesh to blender

I use Sims4Studio_v3.1.5.3 (Wishes) and Blender 2.70a 
The error occur when I try to export hair mesh to blender 


The Sims 4 Studio - Version 3.1.5.3

System.AggregateException: One or more errors occurred. ---> S4Studio.Blender.BlenderException:

File "<string>", line 1, in <module>

File "C:\Program Files\Blender Foundation\Blender\2.70\python\lib\encodings\cp874.py", line 23, in decode

return codecs.charmap_decode(input,self.errors,decoding_table)[0]

UnicodeDecodeError: 'charmap' codec can't decode byte 0x81 in position 125: character maps to <undefined>





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

at S4Studio.Blender.BlenderUtilities.ExportGeom(String custom_blend, String custom_geom, String custom_texture, String caspart_name, String mannequin_folder, String mannequin_texture, String rig_resource)

at S4Studio.ViewModels.CAS.CASLODItem.ExportMesh(BlenderUtilities blender_util, String blender_path)

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) S4Studio.Blender.BlenderException:

File "<string>", line 1, in <module>

File "C:\Program Files\Blender Foundation\Blender\2.70\python\lib\encodings\cp874.py", line 23, in decode

return codecs.charmap_decode(input,self.errors,decoding_table)[0]

UnicodeDecodeError: 'charmap' codec can't decode byte 0x81 in position 125: character maps to <undefined>





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

at S4Studio.Blender.BlenderUtilities.ExportGeom(String custom_blend, String custom_geom, String custom_texture, String caspart_name, String mannequin_folder, String mannequin_texture, String rig_resource)

at S4Studio.ViewModels.CAS.CASLODItem.ExportMesh(BlenderUtilities blender_util, String blender_path)

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

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

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


Please help me 
Thanks