diff --git a/connections/connectionwindow.cpp b/connections/connectionwindow.cpp
index ff2125f..b1512ba 100644
--- a/connections/connectionwindow.cpp
+++ b/connections/connectionwindow.cpp
@@ -42,7 +42,7 @@ ConnectionWindow::ConnectionWindow(QWidget *parent) :
     ui->lineSend->setEnabled(false);
 
     /* load connection configuration */
-    //loadConnections();
+    loadConnections();
 
     ui->rbSocketCAN->setEnabled(isSerialBusAvailable());
 
@@ -541,6 +541,9 @@ void ConnectionWindow::loadConnections()
     QVector<QString> driverNames = settings.value("connections/driverNames").value<QVector<QString>>();
     QVector<int>    devTypes = settings.value("connections/types").value<QVector<int>>();
 
+    //don't load the connections if the three setting arrays above aren't all the same size.
+    if (portNames.count() != driverNames.count() || devTypes.count() != driverNames.count()) return;
+
     for(int i = 0 ; i < portNames.count() ; i++)
     {
         CANConnection* conn_p = create((CANCon::type)devTypes[i], portNames[i], driverNames[i]);
diff --git a/connections/gvretserial.cpp b/connections/gvretserial.cpp
index 449ae2b..407da92 100644
--- a/connections/gvretserial.cpp
+++ b/connections/gvretserial.cpp
@@ -344,7 +344,7 @@ void GVRetSerial::connectDevice()
             serial->setFlowControl(serial->NoFlowControl);
             if (!serial->open(QIODevice::ReadWrite))
             {
-                sendDebug("Error returned during port opening: " + serial->errorString());
+                //sendDebug("Error returned during port opening: " + serial->errorString());
             }
             else
             {
@@ -359,7 +359,7 @@ void GVRetSerial::connectDevice()
             serial->setFlowControl(serial->HardwareControl); //Most GVRET style devices use hardware flow control
             if (!serial->open(QIODevice::ReadWrite))
             {
-                sendDebug("Error returned during port opening: " + serial->errorString());
+                //sendDebug("Error returned during port opening: " + serial->errorString());
             }
             else
             {
@@ -473,14 +473,17 @@ void GVRetSerial::serialError(QSerialPort::SerialPortError err)
     case QSerialPort::DeviceNotFoundError:
         errMessage = "Device not found error on serial";
         killConnection = true;
+        piStop();
         break;
     case QSerialPort::PermissionError:
         errMessage =  "Permission error on serial port";
         killConnection = true;
+        piStop();
         break;
     case QSerialPort::OpenError:
         errMessage =  "Open error on serial port";
         killConnection = true;
+        piStop();
         break;
     case QSerialPort::ParityError:
         errMessage = "Parity error on serial port";
@@ -500,6 +503,7 @@ void GVRetSerial::serialError(QSerialPort::SerialPortError err)
     case QSerialPort::ResourceError:
         errMessage = "Serial port seems to have disappeared.";
         killConnection = true;
+        piStop();
         break;
     case QSerialPort::UnsupportedOperationError:
         errMessage = "Unsupported operation on serial port";
@@ -516,6 +520,7 @@ void GVRetSerial::serialError(QSerialPort::SerialPortError err)
     case QSerialPort::NotOpenError:
         errMessage = "The serial port isn't open";
         killConnection = true;
+        piStop();
         break;
     }
     /*
diff --git a/mainwindow.cpp b/mainwindow.cpp
index ff65fb3..7590ad6 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -184,7 +184,7 @@ MainWindow::MainWindow(QWidget *parent) :
     ui->actionFirmware_Update->setVisible(false);
     ui->actionMotorControlConfig->setVisible(false);
     ui->actionSignal_Viewer->setVisible(false);
-    //ui->actionSingle_Multi_State_2->setVisible(false);
+    ui->actionSingle_Multi_State_2->setVisible(false);
 
     installEventFilter(this);
 }