Index: sources/canbus/frameinterface.cpp
===================================================================
diff -u -rfeb3423b373dc2a2c4267ef9fcb4d924d738423d -re1605219ac2baf49ef21d0889f845ac53d59c3c1
--- sources/canbus/frameinterface.cpp	(.../frameinterface.cpp)	(revision feb3423b373dc2a2c4267ef9fcb4d924d738423d)
+++ sources/canbus/frameinterface.cpp	(.../frameinterface.cpp)	(revision e1605219ac2baf49ef21d0889f845ac53d59c3c1)
@@ -16,6 +16,7 @@
 // Qt
 #include <QDebug>
 #include <QTimerEvent>
+#include <QApplication>
 
 // Project
 #include "logger.h"
@@ -27,9 +28,6 @@
 // namespace
 using namespace Can;
 
-// Singleton
-SINGLETON_INIT(FrameInterface)
-
 /*!
  * \brief FrameInterface Constructor
  * \param parent
@@ -39,12 +37,36 @@
 /*!
  * \brief Message Handler initializer
  */
-void FrameInterface::init()
+bool FrameInterface::init()
 {
+    // This is required for Signal/Slots in threading.
+    qRegisterMetaType<Can_Id>("Can_Id");
+
+    // runs in main thread
+    Q_ASSERT_X(QThread::currentThread() == qApp->thread() , "_FrameInterface::init", "The Class initialization must be done in Main Thread" );
+    _CanFrame_Thread.setObjectName("Can Frame Thread");
+    connect(qApp, &QApplication::aboutToQuit, this, &FrameInterface::quit);
+    _CanFrame_Thread.start();
+    moveToThread(&_CanFrame_Thread);
+
+    // runs in USB Watcher thread
     initConnections();
+
     LOG_EVENT(QObject::tr("FrameInterface Initialized"));
+
+    return true;
 }
 
+void FrameInterface::quit()
+{
+    // runs in Logger thread
+    moveToThread(qApp->thread());
+
+    // runs in main thread
+    _CanFrame_Thread.quit();
+    _CanFrame_Thread.wait();
+}
+
 /*!
  * \brief   FrameInterface connections definition
  * \details Initializes the required signal/slot connection between this class and other objects
@@ -53,12 +75,12 @@
 void FrameInterface::initConnections()
 {
     // From GUI
-    connect(_MessageDispatcher, SIGNAL(didFrameTransmit(Can_Id, const QByteArray   &)),
-            this              ,   SLOT( onFrameTransmit(Can_Id, const QByteArray   &)));
+    connect(&_MessageDispatcher, SIGNAL(didFrameTransmit(Can_Id, const QByteArray   &)),
+            this               ,   SLOT( onFrameTransmit(Can_Id, const QByteArray   &)));
 
     // From CAN
-    connect(_CanInterface     , SIGNAL( didFrameReceive(        const QCanBusFrame &)),
-            this              ,   SLOT(  onFrameReceive(        const QCanBusFrame &)));
+    connect(&_CanInterface     , SIGNAL( didFrameReceive(        const QCanBusFrame &)),
+            this               ,   SLOT(  onFrameReceive(        const QCanBusFrame &)));
 }
 
 /*!