diff --git a/canframemodel.cpp b/canframemodel.cpp
index 735236b..c7f5ce1 100644
--- a/canframemodel.cpp
+++ b/canframemodel.cpp
@@ -779,7 +779,7 @@ int CANFrameModel::sendBulkRefresh()
     if (lastUpdateNumFrames == 0 && !overwriteDups) return 0;
     if (filteredFrames.count() == 0) return 0;
 
-    qDebug() << "Bulk refresh of " << lastUpdateNumFrames;
+    //qDebug() << "Bulk refresh of " << lastUpdateNumFrames;
 
     beginResetModel();
     endResetModel();
diff --git a/connections/canconfactory.cpp b/connections/canconfactory.cpp
index 1fc461c..0adb9b8 100644
--- a/connections/canconfactory.cpp
+++ b/connections/canconfactory.cpp
@@ -13,6 +13,9 @@ CANConnection* CanConFactory::create(type pType, QString pPortName, QString pDri
     case SERIALBUS:
         return new SerialBusConnection(pPortName, pDriverName);
     case GVRET_SERIAL:
+        if(pPortName.contains("."))
+        return new GVRetSerial(pPortName, true);
+        else
         return new GVRetSerial(pPortName, false);
     case REMOTE:
         return new GVRetSerial(pPortName, true);  //it's a special case of GVRET connected over TCP/IP so it uses the same class
diff --git a/connections/socketcand.cpp b/connections/socketcand.cpp
index 9bbddbb..20f2ae8 100644
--- a/connections/socketcand.cpp
+++ b/connections/socketcand.cpp
@@ -263,6 +263,12 @@ void SocketCANd::decodeFrames(QString data, int busNum)
         QString frameStr = frameStrConst;
         QStringList frameParsed = (frameStr.remove(QRegExp("^<")).remove(QRegExp(">$"))).simplified().split(' ');
 
+        if(frameParsed.length() < 2)
+        {
+            qDebug() << "Received datagramm is an incomplete frame: " << data;
+            return;
+        }
+
         buildFrame.setFrameId(frameParsed[1].toUInt(nullptr, 16));
         buildFrame.bus = busNum;
 
@@ -271,6 +277,13 @@ void SocketCANd::decodeFrames(QString data, int busNum)
 
         buildFrame.setTimeStamp(QCanBusFrame::TimeStamp(0, frameParsed[2].toDouble() * 1000000l));
         //buildFrame.len =  frameParsed[3].length() * 0.5;
+
+        if(frameParsed.length() < 4)
+        {
+            qDebug() << "Received frame doesn't contain any data: " << data;
+            return;
+        }
+
         int framelength = frameParsed[3].length() * 0.5;
 
         buildData.resize(framelength);
@@ -383,6 +396,18 @@ void SocketCANd::procRXData(QString data, int busNum)
         {
             rx_state[busNum] = RAWMODE;
         }
+        else if(data.indexOf("< ok >", 0, Qt::CaseSensitivity::CaseInsensitive) == 0)
+        {
+            qDebug() << "Ok found at start of compound message, switching to RAW and decoding immediately";
+            rx_state[busNum] = RAWMODE;
+            decodeFrames(data, busNum);
+        }
+        else if(data.indexOf("< ok >", 0, Qt::CaseSensitivity::CaseInsensitive) > 0)
+        {
+            qDebug() << "Ok found at in middle of compound message, switching to RAW and decoding immediately";
+            rx_state[busNum] = RAWMODE;
+            decodeFrames(data, busNum);
+        }
         break;
     case RAWMODE:
         decodeFrames(data, busNum);
diff --git a/framesenderwindow.cpp b/framesenderwindow.cpp
index 8e796ef..7029fa0 100644
--- a/framesenderwindow.cpp
+++ b/framesenderwindow.cpp
@@ -898,7 +898,7 @@ void FrameSenderWindow::processCellChange(int line, int col)
         case 6: //Data bytes
             for (int i = 0; i < 8; i++) sendingData[line].payload().data()[i] = 0;
 
-            tokens = ui->tableSender->item(line, 6)->text().split(" ");
+            tokens = ui->tableSender->item(line, 6)->text().split(" ", QString::SkipEmptyParts);
             arr.clear();
             arr.reserve(tokens.count());
             for (int j = 0; j < tokens.count(); j++)