diff --git a/Ports/JavaSE/src/com/codename1/impl/javase/JavaSEPort.java b/Ports/JavaSE/src/com/codename1/impl/javase/JavaSEPort.java
index daab9161991..ae14988382d 100644
--- a/Ports/JavaSE/src/com/codename1/impl/javase/JavaSEPort.java
+++ b/Ports/JavaSE/src/com/codename1/impl/javase/JavaSEPort.java
@@ -278,6 +278,17 @@ public class JavaSEPort extends CodenameOneImplementation {
     // frame off every reachable display.
     static final int MAX_PERSISTED_WINDOW_DIMENSION = 32767;
 
+    static {
+        // The canvas blits straight to the screen through getGraphics(), outside
+        // Swing's paint cycle, so a lightweight popup (painted into the same
+        // surface) is overwritten wherever it overlaps the canvas and smears
+        // (#5850). A heavyweight popup lives in its own native window above it.
+        // Set here, before any frame or menu exists: a JPopupMenu reads the default
+        // when it is constructed, and the native-chrome menu bars
+        // (buildNativeMenuBar) are built without installMenu ever running.
+        JPopupMenu.setDefaultLightWeightPopupEnabled(false);
+    }
+
     static {
         IOS_NATIVE_FONT_CANDIDATES.put("native:MainThin", new String[] {
             "SF Pro Display", "SF Pro Text",
@@ -4457,26 +4468,6 @@ public void run() {
                                 updateEdtBufferSize();
                             }
                             
-                            if (window != null) {
-
-                                if (zoomLevel != 1) {
-                                    Graphics2D g2d = (Graphics2D) g;
-                                    g2d.setTransform(AffineTransform.getScaleInstance(1, 1));
-                                }
-                                
-                                if (window.getJMenuBar() != null) {
-                                    for (int i = 0; i < window.getJMenuBar().getComponentCount(); i++) {
-                                        JMenu m = (JMenu) window.getJMenuBar().getComponent(i);
-                                        if (m.isPopupMenuVisible()) {
-                                            JPopupMenu pop = m.getPopupMenu();
-                                            pop.getInvoker().getX();
-                                            g.translate(pop.getInvoker().getX(), 0);
-                                            pop.update(g);
-                                            g.translate(-pop.getInvoker().getX(), 0);
-                                        }
-                                    }
-                                }
-                            }
                             g.dispose();
                         }
                     }