diff --git a/weasis-base/weasis-base-ui/src/main/java/org/weasis/base/ui/gui/WeasisWin.java b/weasis-base/weasis-base-ui/src/main/java/org/weasis/base/ui/gui/WeasisWin.java
index e6451c0e3..ad312df8e 100644
--- a/weasis-base/weasis-base-ui/src/main/java/org/weasis/base/ui/gui/WeasisWin.java
+++ b/weasis-base/weasis-base-ui/src/main/java/org/weasis/base/ui/gui/WeasisWin.java
@@ -737,7 +737,8 @@ private JMenuBar createMenuBar() {
         });
     helpMenuItem.add(updateMenuItem);
 
-    final JMenuItem openLogFolderMenuItem = new JMenuItem("Open the logging folder");
+    final JMenuItem openLogFolderMenuItem =
+        new JMenuItem(Messages.getString("open.logging.folder"));
     openLogFolderMenuItem.addActionListener(
         e ->
             GuiUtils.openSystemExplorer(
diff --git a/weasis-base/weasis-base-ui/src/main/java/org/weasis/base/ui/messages.properties b/weasis-base/weasis-base-ui/src/main/java/org/weasis/base/ui/messages.properties
index d32d13c48..79210fefb 100644
--- a/weasis-base/weasis-base-ui/src/main/java/org/weasis/base/ui/messages.properties
+++ b/weasis-base/weasis-base-ui/src/main/java/org/weasis/base/ui/messages.properties
@@ -27,4 +27,5 @@ update=Update
 check.for.updates=Check for Updates...
 current.release.latest=The current release is already the latest release available.
 submit.bug.report=Submit a Bug Report
+open.logging.folder=Open the logging folder
 
diff --git a/weasis-core/src/main/java/org/weasis/core/api/gui/util/GuiUtils.java b/weasis-core/src/main/java/org/weasis/core/api/gui/util/GuiUtils.java
index 270db471b..ebd74eaf8 100644
--- a/weasis-core/src/main/java/org/weasis/core/api/gui/util/GuiUtils.java
+++ b/weasis-core/src/main/java/org/weasis/core/api/gui/util/GuiUtils.java
@@ -530,7 +530,7 @@ public static void openSystemExplorer(Component parent, File file) {
       } else if (SystemInfo.isWindows) {
         openCommand("explorer", file); // NON-NLS
       } else if (SystemInfo.isMacOS) {
-        openCommand("/usr/bin/open", file);
+        openCommand("/usr/bin/open", file); // NON-NLS
       } else {
         JOptionPane.showMessageDialog(
             parent,
diff --git a/weasis-core/src/main/java/org/weasis/core/ui/model/layer/LayerItem.java b/weasis-core/src/main/java/org/weasis/core/ui/model/layer/LayerItem.java
index 2d66b34c3..ddeb90aa4 100644
--- a/weasis-core/src/main/java/org/weasis/core/ui/model/layer/LayerItem.java
+++ b/weasis-core/src/main/java/org/weasis/core/ui/model/layer/LayerItem.java
@@ -12,30 +12,32 @@
 import org.weasis.core.Messages;
 
 public enum LayerItem {
-  ANNOTATIONS("annotations", Messages.getString("AnnotationsLayer.anno"), true),
+  ANNOTATIONS("annotations", Messages.getString("AnnotationsLayer.anno"), true), // NON-NLS
 
-  MIN_ANNOTATIONS("minAnnotations", Messages.getString("LayerAnnotation.min_anot"), false),
+  MIN_ANNOTATIONS(
+      "minAnnotations", Messages.getString("LayerAnnotation.min_anot"), false), // NON-NLS
 
-  ANONYM_ANNOTATIONS("anonym", Messages.getString("AnnotationsLayer.anonym"), false),
+  ANONYM_ANNOTATIONS("anonym", Messages.getString("AnnotationsLayer.anonym"), false), // NON-NLS
 
-  SCALE("scale", Messages.getString("AnnotationsLayer.scale"), true),
+  SCALE("scale", Messages.getString("AnnotationsLayer.scale"), true), // NON-NLS
 
-  LUT("lut", Messages.getString("AnnotationsLayer.lut"), false),
+  LUT("lut", Messages.getString("AnnotationsLayer.lut"), false), // NON-NLS
 
-  IMAGE_ORIENTATION("orientation", Messages.getString("AnnotationsLayer.or"), true),
+  IMAGE_ORIENTATION("orientation", Messages.getString("AnnotationsLayer.or"), true), // NON-NLS
 
-  WINDOW_LEVEL("wl", Messages.getString("AnnotationsLayer.wl"), true),
+  WINDOW_LEVEL("wl", Messages.getString("AnnotationsLayer.wl"), true), // NON-NLS
 
-  ZOOM("zoom", Messages.getString("AnnotationsLayer.zoom"), true),
+  ZOOM("zoom", Messages.getString("AnnotationsLayer.zoom"), true), // NON-NLS
 
-  ROTATION("rotation", Messages.getString("AnnotationsLayer.rot"), false),
+  ROTATION("rotation", Messages.getString("AnnotationsLayer.rot"), false), // NON-NLS
 
-  FRAME("frame", Messages.getString("AnnotationsLayer.fr"), true),
+  FRAME("frame", Messages.getString("AnnotationsLayer.fr"), true), // NON-NLS
 
-  PIXEL("pixel", Messages.getString("AnnotationsLayer.pix"), true),
-  PRELOADING_BAR("loading", Messages.getString("AnnotationsLayer.preload_bar"), false),
+  PIXEL("pixel", Messages.getString("AnnotationsLayer.pix"), true), // NON-NLS
 
-  KEY_OBJECT("ko", Messages.getString("AnnotationsLayer.ko"), true);
+  PRELOADING_BAR("loading", Messages.getString("AnnotationsLayer.preload_bar"), false), // NON-NLS
+
+  KEY_OBJECT("ko", Messages.getString("AnnotationsLayer.ko"), true); // NON-NLS
 
   private final String key;
   private final String name;
diff --git a/weasis-dicom/weasis-dicom-explorer/src/main/java/org/weasis/dicom/explorer/DicomModel.java b/weasis-dicom/weasis-dicom-explorer/src/main/java/org/weasis/dicom/explorer/DicomModel.java
index 8f8785b17..7b89fc9f4 100644
--- a/weasis-dicom/weasis-dicom-explorer/src/main/java/org/weasis/dicom/explorer/DicomModel.java
+++ b/weasis-dicom/weasis-dicom-explorer/src/main/java/org/weasis/dicom/explorer/DicomModel.java
@@ -871,7 +871,7 @@ public boolean applySplittingRules(Series original, MediaElement media) {
           if (specialElementList == null) {
             specialElementList = new CopyOnWriteArrayList<>();
             initialSeries.setTag(TagW.DicomSpecialElementList, specialElementList);
-            if ("rt/dicom".equals(rMime)) {
+            if ("rt/dicom".equals(rMime)) { // NON-NLS
               MediaSeriesGroup st = getParent(initialSeries, DicomModel.study);
               if (st != null
                   && !LangUtil.getNULLtoFalse((Boolean) st.getTagValue(TagW.StudyDicomRT))) {
diff --git a/weasis-dicom/weasis-dicom-explorer/src/main/java/org/weasis/dicom/explorer/DicomSorter.java b/weasis-dicom/weasis-dicom-explorer/src/main/java/org/weasis/dicom/explorer/DicomSorter.java
index 0f0981f2b..134f65289 100644
--- a/weasis-dicom/weasis-dicom-explorer/src/main/java/org/weasis/dicom/explorer/DicomSorter.java
+++ b/weasis-dicom/weasis-dicom-explorer/src/main/java/org/weasis/dicom/explorer/DicomSorter.java
@@ -27,8 +27,8 @@
 
 public class DicomSorter {
   public enum SortingTime {
-    CHRONOLOGICAL(0, "Chronological order"),
-    INVERSE_CHRONOLOGICAL(1, "Reverse chronological order");
+    CHRONOLOGICAL(0, Messages.getString("chrono.order")),
+    INVERSE_CHRONOLOGICAL(1, Messages.getString("reverse.chrono.order"));
 
     private final int id;
     private final String title;
diff --git a/weasis-dicom/weasis-dicom-explorer/src/main/java/org/weasis/dicom/explorer/messages.properties b/weasis-dicom/weasis-dicom-explorer/src/main/java/org/weasis/dicom/explorer/messages.properties
index b55a9cc2d..786e014cb 100644
--- a/weasis-dicom/weasis-dicom-explorer/src/main/java/org/weasis/dicom/explorer/messages.properties
+++ b/weasis-dicom/weasis-dicom-explorer/src/main/java/org/weasis/dicom/explorer/messages.properties
@@ -192,3 +192,6 @@ transcode.only.uncompressed=Transcode only uncompressed
 transcoding=Transcoding
 generate.new.unique.identifiers=Generate new unique identifiers
 enter.password=Enter a password
+study.date.sorting=Study date sorting
+reverse.chrono.order=Reverse chronological order
+chrono.order=Chronological order
diff --git a/weasis-dicom/weasis-dicom-explorer/src/main/java/org/weasis/dicom/explorer/pref/download/DicomExplorerPrefView.java b/weasis-dicom/weasis-dicom-explorer/src/main/java/org/weasis/dicom/explorer/pref/download/DicomExplorerPrefView.java
index d426dc9e5..0dc0f3a7b 100644
--- a/weasis-dicom/weasis-dicom-explorer/src/main/java/org/weasis/dicom/explorer/pref/download/DicomExplorerPrefView.java
+++ b/weasis-dicom/weasis-dicom-explorer/src/main/java/org/weasis/dicom/explorer/pref/download/DicomExplorerPrefView.java
@@ -65,7 +65,7 @@ public DicomExplorerPrefView() {
     model.setValue(thumbnailSize);
     add(GuiUtils.getFlowLayoutPanel(ITEM_SEPARATOR_SMALL, ITEM_SEPARATOR, thumbSize, spinner));
 
-    JLabel labelStudyDate = new JLabel("Study date sorting" + StringUtil.COLON);
+    JLabel labelStudyDate = new JLabel(Messages.getString("study.date.sorting") + StringUtil.COLON);
     studyDateSortingComboBox.setSelectedItem(DicomSorter.getStudyDateSorting());
     add(
         GuiUtils.getFlowLayoutPanel(
diff --git a/weasis-dicom/weasis-dicom-qr/src/main/java/org/weasis/dicom/qr/DicomQrView.java b/weasis-dicom/weasis-dicom-qr/src/main/java/org/weasis/dicom/qr/DicomQrView.java
index c17a8afb1..11ee97d56 100644
--- a/weasis-dicom/weasis-dicom-qr/src/main/java/org/weasis/dicom/qr/DicomQrView.java
+++ b/weasis-dicom/weasis-dicom-qr/src/main/java/org/weasis/dicom/qr/DicomQrView.java
@@ -724,10 +724,9 @@ private void dicomQuery() {
                           int limit = (Integer) limitSpinner.getValue();
                           String message =
                               state.getStatus() == Status.Cancel && limit > 0
-                                  ? "Query has been canceled after %s studies.\nSet the limit to 0 to avoid this constraint."
-                                      .formatted(limit)
+                                  ? Messages.getString("query.canceled.limit").formatted(limit)
                                   : state.getMessage();
-                          LOGGER.error("Dicom cfind error: {}", message);
+                          LOGGER.error("Dicom C-FIND error: {}", message);
                           JOptionPane.showMessageDialog(
                               this, message, null, JOptionPane.ERROR_MESSAGE);
                         }
diff --git a/weasis-dicom/weasis-dicom-qr/src/main/java/org/weasis/dicom/qr/SearchParameters.java b/weasis-dicom/weasis-dicom-qr/src/main/java/org/weasis/dicom/qr/SearchParameters.java
index 193c9211b..c2a6efc5b 100644
--- a/weasis-dicom/weasis-dicom-qr/src/main/java/org/weasis/dicom/qr/SearchParameters.java
+++ b/weasis-dicom/weasis-dicom-qr/src/main/java/org/weasis/dicom/qr/SearchParameters.java
@@ -116,7 +116,7 @@ public void saveSearchParameters(XMLStreamWriter writer) throws XMLStreamExcepti
   }
 
   public static void loadSearchParameters(JComboBox<SearchParameters> comboBox) {
-    SearchParameters emptyParameters = new SearchParameters("Empty");
+    SearchParameters emptyParameters = new SearchParameters(Messages.getString("empty"));
     comboBox.addItem(emptyParameters);
 
     SearchParameters todayParameters = new SearchParameters(Period.TODAY.toString());
diff --git a/weasis-dicom/weasis-dicom-qr/src/main/java/org/weasis/dicom/qr/messages.properties b/weasis-dicom/weasis-dicom-qr/src/main/java/org/weasis/dicom/qr/messages.properties
index 0c3569150..8897a3096 100644
--- a/weasis-dicom/weasis-dicom-qr/src/main/java/org/weasis/dicom/qr/messages.properties
+++ b/weasis-dicom/weasis-dicom-qr/src/main/java/org/weasis/dicom/qr/messages.properties
@@ -54,3 +54,5 @@ enter.a.name=Enter a name
 search.template=Search Template
 dicom.source=DICOM Source
 search.criteria=Search Criteria
+query.canceled.limit=Query has been canceled after %s studies.\nSet the limit to 0 to avoid this constraint.
+empty=Empty
diff --git a/weasis-dicom/weasis-dicom-viewer2d/src/main/java/org/weasis/dicom/viewer2d/messages.properties b/weasis-dicom/weasis-dicom-viewer2d/src/main/java/org/weasis/dicom/viewer2d/messages.properties
index 3b3763387..70f5d0b53 100644
--- a/weasis-dicom/weasis-dicom-viewer2d/src/main/java/org/weasis/dicom/viewer2d/messages.properties
+++ b/weasis-dicom/weasis-dicom-viewer2d/src/main/java/org/weasis/dicom/viewer2d/messages.properties
@@ -135,3 +135,7 @@ overlay.color=Overlay color
 open.new.tab=Open in new tab
 mpr.synchronisation=MPR synchronisation
 default.layout=Default layout
+auto.center=Auto center axes
+never=Never
+only.center.hidden=Only when the center is hidden
+always=Always
diff --git a/weasis-dicom/weasis-dicom-viewer2d/src/main/java/org/weasis/dicom/viewer2d/mpr/pref/MprPrefView.java b/weasis-dicom/weasis-dicom-viewer2d/src/main/java/org/weasis/dicom/viewer2d/mpr/pref/MprPrefView.java
index 9fa60d61e..635e5a7b0 100644
--- a/weasis-dicom/weasis-dicom-viewer2d/src/main/java/org/weasis/dicom/viewer2d/mpr/pref/MprPrefView.java
+++ b/weasis-dicom/weasis-dicom-viewer2d/src/main/java/org/weasis/dicom/viewer2d/mpr/pref/MprPrefView.java
@@ -45,11 +45,11 @@ public MprPrefView() {
 
   private void initGUI() {
     EventManager eventManager = EventManager.getInstance();
-    JLabel lblMode = new JLabel("Auto center axes" + StringUtil.COLON);
+    JLabel lblMode = new JLabel(Messages.getString("auto.center") + StringUtil.COLON);
 
-    comboBox3DCursorMode.addItem("Never");
-    comboBox3DCursorMode.addItem("Only when the center is hidden");
-    comboBox3DCursorMode.addItem("Always");
+    comboBox3DCursorMode.addItem(Messages.getString("never"));
+    comboBox3DCursorMode.addItem(Messages.getString("only.center.hidden"));
+    comboBox3DCursorMode.addItem(Messages.getString("always"));
 
     int mode = eventManager.getOptions().getIntProperty(View2d.P_CROSSHAIR_MODE, 1);
     if (mode < 0 && mode >= comboBox3DCursorMode.getModel().getSize()) {