diff --git a/client/src/org/compiere/apps/AEnv.java b/client/src/org/compiere/apps/AEnv.java
index 1d3119b64c..70f513a96b 100644
--- a/client/src/org/compiere/apps/AEnv.java
+++ b/client/src/org/compiere/apps/AEnv.java
@@ -52,6 +52,18 @@ public final class AEnv
 		window.setVisible(true);
 		window.toFront();
 	}   //  showCenterScreen
+	
+	/**
+	 * Show frame as maximized.
+	 * @param frame
+	 */
+	public static void showMaximized(Frame frame)
+	{
+		frame.pack();
+		frame.setExtendedState(Frame.MAXIMIZED_BOTH);
+		frame.setVisible(true);
+		frame.toFront();
+	}
 
 	/**
 	 *	Position window in center of the screen
@@ -493,7 +505,14 @@ public final class AEnv
 		if (!frame.initWindow(AD_Window_ID, MQuery.getEqualQuery(TableName + "_ID", Record_ID)))
 			return;
 		addToWindowManager(frame);
-		AEnv.showCenterScreen(frame);
+		if (Ini.isPropertyBool(Ini.P_OPEN_WINDOW_MAXIMIZED))
+		{
+			AEnv.showMaximized(frame);
+		}
+		else
+		{
+			AEnv.showCenterScreen(frame);
+		}
 		frame = null;
 	}	//	zoom
 
@@ -544,7 +563,14 @@ public final class AEnv
 		if (!frame.initWindow(AD_Window_ID, query))
 			return;
 		addToWindowManager(frame);
-		AEnv.showCenterScreen(frame);
+		if (Ini.isPropertyBool(Ini.P_OPEN_WINDOW_MAXIMIZED))
+		{
+			AEnv.showMaximized(frame);
+		}
+		else
+		{
+			AEnv.showCenterScreen(frame);
+		}
 		frame = null;
 	}	//	zoom
 	
diff --git a/client/src/org/compiere/apps/AMenuStartItem.java b/client/src/org/compiere/apps/AMenuStartItem.java
index 7963d63d87..bf5123fc75 100644
--- a/client/src/org/compiere/apps/AMenuStartItem.java
+++ b/client/src/org/compiere/apps/AMenuStartItem.java
@@ -236,18 +236,12 @@ public class AMenuStartItem extends Thread implements ActionListener
 			SwingUtilities.invokeLater(m_updatePB);			//	2
 			if (Ini.isPropertyBool(Ini.P_OPEN_WINDOW_MAXIMIZED) ) 
 			{
-				frame.pack();
-				frame.setExtendedState(Frame.MAXIMIZED_BOTH);
+				AEnv.showMaximized(frame);
 			}
 			
 			//	Center the window
 			SwingUtilities.invokeLater(m_updatePB);			//	3
-			if (Ini.isPropertyBool(Ini.P_OPEN_WINDOW_MAXIMIZED) ) 
-			{
-				frame.setVisible(true);
-				frame.toFront();
-			} 
-			else
+			if (!(Ini.isPropertyBool(Ini.P_OPEN_WINDOW_MAXIMIZED)) ) 
 			{
 				frame.validate();
 				AEnv.showCenterScreen(frame);
@@ -343,10 +337,7 @@ public class AMenuStartItem extends Thread implements ActionListener
 		//	Center the window
 		SwingUtilities.invokeLater(m_updatePB);			//	3
 		if (Ini.isPropertyBool(Ini.P_OPEN_WINDOW_MAXIMIZED) ) {
-			ff.pack();
-			ff.setExtendedState(Frame.MAXIMIZED_BOTH);
-			ff.setVisible(true);
-			ff.toFront();
+			AEnv.showMaximized(ff);
 		} else
 			AEnv.showCenterScreen(ff);
 	}	//	startForm
diff --git a/client/src/org/compiere/apps/AZoomAcross.java b/client/src/org/compiere/apps/AZoomAcross.java
index 906ab10d91..89fe147f3f 100644
--- a/client/src/org/compiere/apps/AZoomAcross.java
+++ b/client/src/org/compiere/apps/AZoomAcross.java
@@ -206,7 +206,14 @@ public class AZoomAcross implements ActionListener
 		if (!frame.initWindow(AD_Window_ID, m_query))
 			return;
 		AEnv.addToWindowManager(frame);
-		AEnv.showCenterScreen(frame);
+		if (Ini.isPropertyBool(Ini.P_OPEN_WINDOW_MAXIMIZED) ) 
+		{
+			AEnv.showMaximized(frame);
+		}
+		else
+		{
+			AEnv.showCenterScreen(frame);
+		}
 		frame = null;
 	}	//	launchZoom
 	
diff --git a/client/src/org/compiere/grid/ed/VLookup.java b/client/src/org/compiere/grid/ed/VLookup.java
index 3f1b94eea1..5c2bde7063 100644
--- a/client/src/org/compiere/grid/ed/VLookup.java
+++ b/client/src/org/compiere/grid/ed/VLookup.java
@@ -1135,7 +1135,14 @@ public class VLookup extends JComponent
 		else
 		{
 			AEnv.addToWindowManager(frame);
-			AEnv.showCenterScreen(frame);
+			if (Ini.isPropertyBool(Ini.P_OPEN_WINDOW_MAXIMIZED))
+			{
+				AEnv.showMaximized(frame);
+			}
+			else
+			{
+				AEnv.showCenterScreen(frame);
+			}
 		}
 			//  async window - not able to get feedback
 		frame = null;