Index: sources/storage/usbwatcher.cpp
===================================================================
diff -u -r057d3ef4e29c63235040c5cfe8c6421ef7787d6a -reea63d68fc0fb269f8dec64d99f488bcad117220
--- sources/storage/usbwatcher.cpp	(.../usbwatcher.cpp)	(revision 057d3ef4e29c63235040c5cfe8c6421ef7787d6a)
+++ sources/storage/usbwatcher.cpp	(.../usbwatcher.cpp)	(revision eea63d68fc0fb269f8dec64d99f488bcad117220)
@@ -78,7 +78,7 @@
 {
     // 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
 
@@ -107,7 +107,7 @@
     _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);
 }
 
@@ -124,7 +124,7 @@
     if ( ! _thread ) return;
 
     // runs in thread
-    moveToThread(qApp->thread());
+    moveToThread(qApp->thread()); // validated
 }
 // coco end
 
@@ -222,8 +222,11 @@
  */
 void USBWatcher::onUSBDriveUmount()
 {
+    // coco begin validated: This needs user interaction to plug-in/out the USB device
+    // has been tested manually
     _umounted = true;
 }
+// coco end
 
 /*!
  * \brief   USBWatcher::usbMount