diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3d74350..fc1c9f3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,7 +15,7 @@ if ( PLUGIN_G3POINT )
 	add_subdirectory( src )
 	add_subdirectory( ui )
 
-	target_compile_features(${PROJECT_NAME} PRIVATE cxx_std_17)  # for mlpack
+	# target_compile_features(${PROJECT_NAME} PRIVATE cxx_std_17)  # for mlpack
 
 	target_include_directories( ${PROJECT_NAME} PRIVATE
 		C:/opt/eigen-3.4.0
@@ -24,19 +24,10 @@ if ( PLUGIN_G3POINT )
 	)
 	
 	# Find installed Open3D, which exports Open3D::Open3D
-	find_package(Open3D REQUIRED)
-	target_link_libraries( ${PROJECT_NAME} Open3D::Open3D)
-
-	# On Windows if BUILD_SHARED_LIBS is enabled, copy .dll files to the executable directory
-#	if(WIN32)
-#		get_target_property(open3d_type Open3D::Open3D TYPE)
-#		if(open3d_type STREQUAL "SHARED_LIBRARY")
-#			message(STATUS "Copying Open3D.dll to ${CMAKE_CURRENT_BINARY_DIR}/$<CONFIG>")
-#			add_custom_command(TARGET Draw POST_BUILD
-#							   COMMAND ${CMAKE_COMMAND} -E copy
-#									   ${CMAKE_INSTALL_PREFIX}/bin/Open3D.dll
-#									   ${CMAKE_CURRENT_BINARY_DIR}/$<CONFIG>)
-#		endif()
-#	endif()
+	find_package( Open3D REQUIRED )
+	target_link_libraries( ${PROJECT_NAME} Open3D::Open3D )
+	message( "Open3D_DIR ${Open3D_DIR}" )
+	set( OPENCV_DEP_DLL_FILES ${Open3D_DIR}/../bin/Open3D.dll )
+	copy_files( "${OPENCV_DEP_DLL_FILES}" "${CLOUDCOMPARE_DEST_FOLDER}" ) #mind the quotes!
 
 endif()
diff --git a/src/ActionA.cpp b/src/ActionA.cpp
index 94f4673..973728c 100644
--- a/src/ActionA.cpp
+++ b/src/ActionA.cpp
@@ -411,7 +411,7 @@ int G3PointAction::cluster_labels()
 	// If labels are neighbours, set Nneigh to 1
 	Eigen::ArrayXXi Nneigh = Eigen::ArrayXXi::Zero(nlabels, nlabels);
 	k = 0;
-	for (auto &stack : m_stacks)
+	for (auto& stack : m_stacks)
 	{
 		Eigen::ArrayXXi labels(stack.size(), m_kNN);
 		for (int index = 0; index < stack.size(); index++)
@@ -883,7 +883,7 @@ bool G3PointAction::compute_normals_and_orient_them_open3d()
 	// compute the normals
 	pcd.EstimateNormals(open3d::geometry::KDTreeSearchParamKNN(m_kNN));
 
-	std::cout << "normals << std::endl";
+	std::cout << "normals" << std::endl;
 	for (int i = 0; i < 10; i++)
 	{
 		std::cout << pcd.normals_[i].x() << " " << pcd.normals_[i].y() << " " << pcd.normals_[i].z() << std::endl;
@@ -892,8 +892,13 @@ bool G3PointAction::compute_normals_and_orient_them_open3d()
 	// we 'compress' each normal
 	int pointCount = m_cloud->size();
 	NormsIndexesTableType theNormsCodes = NormsIndexesTableType();
+	if (!theNormsCodes.resizeSafe(pointCount))
+	{
+		ccLog::Error("[G3PointAction::compute_normals_and_orient_them_open3d] failed to allocate theNormCodes");
+		return false;
+	}
 	std::fill(theNormsCodes.begin(), theNormsCodes.end(), 0);
-	for (unsigned index = 0; index < pointCount; index++)
+	for (int index = 0; index < pointCount; index++)
 	{
 		CCVector3 N(pcd.normals_[index].x(), pcd.normals_[index].y(), pcd.normals_[index].z());
 		CompressedNormType nCode = ccNormalVectors::GetNormIndex(N);
@@ -904,7 +909,7 @@ bool G3PointAction::compute_normals_and_orient_them_open3d()
 	ccNormalVectors::Orientation preferredOrientation = ccNormalVectors::PLUS_Z;
 	ccNormalVectors::UpdateNormalOrientations(m_cloud, theNormsCodes, preferredOrientation);
 
-	ccLog::Error("[G3PointAction::compute_normals_and_orient_them_open3d] set the normals computed with Open3D to the point cloud");
+	ccLog::Print("[G3PointAction::compute_normals_and_orient_them_open3d] set the normals computed with Open3D to the point cloud");
 	m_cloud->resizeTheNormsTable();
 
 	//we hide normals during process
@@ -1008,7 +1013,7 @@ void G3PointAction::run()
 
 	//	int nLabels = segment_labels_steepest_slope();
 
-	cluster_labels();
+	// cluster_labels();
 
 	m_app->dispToConsole( "[G3Point] initial segmentation: " + QString::number(nLabels) + " labels", ccMainAppInterface::STD_CONSOLE_MESSAGE );