diff --git a/src/NETGENPlugin/NETGENPlugin_Mesher.cxx b/src/NETGENPlugin/NETGENPlugin_Mesher.cxx
index c6bfbd5..3f888ff 100644
--- a/src/NETGENPlugin/NETGENPlugin_Mesher.cxx
+++ b/src/NETGENPlugin/NETGENPlugin_Mesher.cxx
@@ -2900,11 +2900,13 @@ bool NETGENPlugin_Mesher::Evaluate(MapShapeNbElems& aResMap)
 
 void NETGENPlugin_Mesher::RemoveTmpFiles()
 {
+#ifndef WIN32
   if ( SMESH_File("test.out").remove() && netgen::testout)
   {
     delete netgen::testout;
     netgen::testout = 0;
   }
+#endif
   SMESH_File("problemfaces").remove();
   SMESH_File("occmesh.rep").remove();
 }