Merge pull request #3459 from rishwanth1995/removedefaultfont

added setlookandfeel method to EDT

Core/src/org/sleuthkit/autopsy/corecomponents/Installer.java

@@ -23,6 +23,7 @@ import java.util.Map;
 import java.util.TreeMap;
 import java.util.logging.Level;
 import javax.swing.BorderFactory;
+import javax.swing.SwingUtilities;
 import javax.swing.UIManager;
 import javax.swing.UIManager.LookAndFeelInfo;
 import javax.swing.UnsupportedLookAndFeelException;
@@ -56,7 +57,9 @@ public class Installer extends ModuleInstall {
     @Override
     public void restored() {
         super.restored();
-        setLookAndFeel();
+        SwingUtilities.invokeLater(() -> {
+            setLookAndFeel();  
+        });
         UIManager.put("ViewTabDisplayerUI", "org.sleuthkit.autopsy.corecomponents.NoTabsTabDisplayerUI");
         UIManager.put(DefaultTabbedContainerUI.KEY_VIEW_CONTENT_BORDER, BorderFactory.createEmptyBorder());
         UIManager.put("TabbedPane.contentBorderInsets", new Insets(0, 0, 0, 0));
@@ -69,7 +72,7 @@ public class Installer extends ModuleInstall {
     public void uninstalled() {
         super.uninstalled();
     }
-
+    
     private void setLookAndFeel() {
         if (System.getProperty("os.name").toLowerCase().contains("mac")) { //NON-NLS
             setOSXLookAndFeel();
@@ -88,7 +91,7 @@ public class Installer extends ModuleInstall {
             UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
         } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) {
             logger.log(Level.WARNING, "Error setting OS-X look-and-feel", ex); //NON-NLS
-        }
+    }
 
         // Store the keys that deal with menu items
         final String[] UI_MENU_ITEM_KEYS = new String[]{"MenuBarUI",}; //NON-NLS