Index: trunk/src/org/openstreetmap/josm/gui/HelpAwareOptionPane.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/HelpAwareOptionPane.java	(revision 19220)
+++ trunk/src/org/openstreetmap/josm/gui/HelpAwareOptionPane.java	(revision 19225)
@@ -263,4 +263,5 @@
             String msgStr = (String) msg;
             content = new HtmlPanel(msgStr.startsWith("<html>") ? msgStr : "<html>" + msgStr + "</html>");
+            ((HtmlPanel) content).enableClickableHyperlinks();
         } else {
             content = msg;
Index: trunk/src/org/openstreetmap/josm/tools/ExceptionUtil.java
===================================================================
--- trunk/src/org/openstreetmap/josm/tools/ExceptionUtil.java	(revision 19220)
+++ trunk/src/org/openstreetmap/josm/tools/ExceptionUtil.java	(revision 19225)
@@ -29,4 +29,5 @@
 import org.openstreetmap.josm.data.osm.Relation;
 import org.openstreetmap.josm.data.osm.Way;
+import org.openstreetmap.josm.gui.help.HelpUtil;
 import org.openstreetmap.josm.io.ChangesetClosedException;
 import org.openstreetmap.josm.io.IllegalDataException;
@@ -579,5 +580,14 @@
             message += "<br>"
                 + tr("The area you tried to download is too big or your request was too large."
-                        + "<br>Either request a smaller area or use an export file provided by the OSM community.");
+                        + "<br>Either request a smaller area or use an export file provided by the OSM community."
+                        + "<br><br>Downloading a smaller area is <em>recommended</em>!"
+                        + "<br><br>Advanced users can use one of the following options:"
+                        + "<br><ul>"
+                        + "<li><a href=\"{0}\">Overpass</a></li>"
+                        + "<li><a href=\"{1}\">Geofabrik</a></li>"
+                        + "<li><a href=\"{2}\">OSM Planet File</a></li>"
+                        + "</ul>", HelpUtil.getHelpTopicUrl("/Help/Action/Download#DownloadfromOverpassAPI"),
+                    "https://www.geofabrik.de/data/download.html",
+                    "https://planet.openstreetmap.org/");
         } else if (errorHeader != null) {
             message += tr("<br>Error message(untranslated): {0}", errorHeader);
