Index: /trunk/src/org/openstreetmap/josm/tools/WindowGeometry.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/tools/WindowGeometry.java	(revision 2383)
+++ /trunk/src/org/openstreetmap/josm/tools/WindowGeometry.java	(revision 2384)
@@ -116,5 +116,5 @@
     protected void initFromPreferences(String preferenceKey) throws WindowGeometryException {
         String value = Main.pref.get(preferenceKey);
-        if (value == null)
+        if (value == null || value.equals(""))
             throw new WindowGeometryException(tr("Preference with key ''{0}'' does not exist. Can''t restore window geometry from preferences.", preferenceKey));
         topLeft = new Point();
@@ -156,5 +156,5 @@
             initFromPreferences(preferenceKey);
         } catch(WindowGeometryException e) {
-            System.out.println(tr("Warning: Failed to restore window geometry from key ''{0}''. Falling back to default geometry. Details: {1}", preferenceKey, e.getMessage()));
+//            System.out.println(tr("Warning: Failed to restore window geometry from key ''{0}''. Falling back to default geometry. Details: {1}", preferenceKey, e.getMessage()));
             initFromWindowGeometry(defaultGeometry);
         }