diff --git a/app/src/processing/app/Base.java b/app/src/processing/app/Base.java
index 654ad7199..f8380c0f3 100644
--- a/app/src/processing/app/Base.java
+++ b/app/src/processing/app/Base.java
@@ -148,7 +148,13 @@ public class Base {
   static public void main(final String[] args) {
     EventQueue.invokeLater(new Runnable() {
         public void run() {
-          createAndShowGUI(args);
+          try {
+            createAndShowGUI(args);
+          } catch (Exception e) {
+            showBadnessTrace("It was not meant to be",
+                             "A serious problem happened during startup. Please report:\n" +
+                             "http://github.com/processing/processing/issues/new", e, true);
+          }
         }
     });
   }
diff --git a/todo.txt b/todo.txt
index 5bed72551..f95faca56 100644
--- a/todo.txt
+++ b/todo.txt
@@ -6,6 +6,8 @@ o   http://code.google.com/p/processing/issues/detail?id=734
 X   https://github.com/processing/processing/issues/773
 X Drag and Drop & "Add File" broken for .pde files in 3.0a10
 X   https://github.com/processing/processing/issues/3383
+X Show "not compatible" error message in the manager
+X   https://github.com/processing/processing/issues/3386
 
 gsoc
 X Mode problems window wasn't doing line breaks