Index: sources/canbus/messageacknowmodel.cpp
===================================================================
diff -u -r805119c460b4a266d6401c8705f4427e7fbe270f -reea63d68fc0fb269f8dec64d99f488bcad117220
--- sources/canbus/messageacknowmodel.cpp	(.../messageacknowmodel.cpp)	(revision 805119c460b4a266d6401c8705f4427e7fbe270f)
+++ sources/canbus/messageacknowmodel.cpp	(.../messageacknowmodel.cpp)	(revision eea63d68fc0fb269f8dec64d99f488bcad117220)
@@ -72,7 +72,7 @@
 {
     // coco begin validated: Application termination is not correctly done in coco!!!
     // it has been tested and works perfectly fine in normal run.
-    quitThread();
+    quitThread(); // validated
 }
 // coco end
 
@@ -103,7 +103,7 @@
     _thread = &vThread;
     _thread->setObjectName(QString("%1_Thread").arg(metaObject()->className()));
     connect(qApp, SIGNAL(aboutToQuit()), this, SLOT(quit()));
-    _thread->start();
+    if (!_thread->isRunning()) _thread->start(); // In case more than one object using the same thread
     moveToThread(_thread);
 }
 
@@ -120,7 +120,7 @@
     if ( ! _thread ) return;
 
     // runs in thread
-    moveToThread(qApp->thread());
+    moveToThread(qApp->thread()); // validated
 }
 // coco end