diff --git a/candatagrid.cpp b/candatagrid.cpp
index e4fff83..dff5487 100644
--- a/candatagrid.cpp
+++ b/candatagrid.cpp
@@ -41,6 +41,7 @@ void CANDataGrid::mousePressEvent(QMouseEvent *event)
 
 void CANDataGrid::paintEvent(QPaintEvent *event)
 {
+    Q_UNUSED(event);
     int x, y;
     unsigned char prevByte, thisByte;
     bool thisBit, prevBit;
@@ -140,6 +141,8 @@ void CANDataGrid::paintEvent(QPaintEvent *event)
 
 void CANDataGrid::saveImage(QString filename, int width, int height)
 {
+    Q_UNUSED(width); //currently unused but I want to use them in the future
+    Q_UNUSED(height);
     //can't quite do the below commented out stuff
     //it works but doesn't scale the image into that pixmap. Need to
     //figure out how to draw the size of the pixmap
diff --git a/canframemodel.cpp b/canframemodel.cpp
index 136630e..77bd88c 100644
--- a/canframemodel.cpp
+++ b/canframemodel.cpp
@@ -5,6 +5,7 @@
 
 int CANFrameModel::rowCount(const QModelIndex &parent) const
 {
+    Q_UNUSED(parent);
     return filteredFrames.count();
 }
 
@@ -15,6 +16,7 @@ int CANFrameModel::totalFrameCount()
 
 int CANFrameModel::columnCount(const QModelIndex &index) const
 {
+    Q_UNUSED(index);
     return 6;
 }
 
@@ -244,6 +246,8 @@ QVariant CANFrameModel::headerData(int section, Qt::Orientation orientation,
 
     else
         return QString::number(section + 1);
+
+    return QVariant();
 }
 
 void CANFrameModel::addFrame(CANFrame &frame, bool autoRefresh = false)
diff --git a/dbcmaineditor.cpp b/dbcmaineditor.cpp
index bb2092e..44c1e79 100644
--- a/dbcmaineditor.cpp
+++ b/dbcmaineditor.cpp
@@ -69,6 +69,7 @@ DBCMainEditor::~DBCMainEditor()
 
 void DBCMainEditor::closeEvent(QCloseEvent *event)
 {
+    Q_UNUSED(event);
     writeSettings();
 }
 
diff --git a/dbcsignaleditor.cpp b/dbcsignaleditor.cpp
index ab159b3..7008da8 100644
--- a/dbcsignaleditor.cpp
+++ b/dbcsignaleditor.cpp
@@ -163,6 +163,7 @@ DBCSignalEditor::~DBCSignalEditor()
 
 void DBCSignalEditor::closeEvent(QCloseEvent *event)
 {
+    Q_UNUSED(event);
     writeSettings();
 }
 
diff --git a/filecomparatorwindow.cpp b/filecomparatorwindow.cpp
index f05c5a6..1bebe2d 100644
--- a/filecomparatorwindow.cpp
+++ b/filecomparatorwindow.cpp
@@ -30,6 +30,7 @@ void FileComparatorWindow::showEvent(QShowEvent *)
 
 void FileComparatorWindow::closeEvent(QCloseEvent *event)
 {
+    Q_UNUSED(event);
     writeSettings();
 }
 
diff --git a/flowviewwindow.cpp b/flowviewwindow.cpp
index 8930ccf..6e1cd36 100644
--- a/flowviewwindow.cpp
+++ b/flowviewwindow.cpp
@@ -106,6 +106,7 @@ FlowViewWindow::~FlowViewWindow()
 
 void FlowViewWindow::closeEvent(QCloseEvent *event)
 {
+    Q_UNUSED(event);
     writeSettings();
 }
 
@@ -323,7 +324,7 @@ void FlowViewWindow::refreshIDList()
         if (!foundID.contains(id))
         {
             foundID.append(id);
-            QListWidgetItem* item = new QListWidgetItem(Utility::formatNumber(id), ui->listFrameID);
+            //QListWidgetItem* item = new QListWidgetItem(Utility::formatNumber(id), ui->listFrameID);
         }
     }
     //default is to sort in ascending order
@@ -430,7 +431,7 @@ void FlowViewWindow::changePlaybackSpeed(int newSpeed)
 
 void FlowViewWindow::changeLooping(bool check)
 {
-
+    Q_UNUSED(check);
 }
 
 void FlowViewWindow::timerTriggered()
diff --git a/framefileio.cpp b/framefileio.cpp
index 986523c..de72df4 100644
--- a/framefileio.cpp
+++ b/framefileio.cpp
@@ -108,7 +108,7 @@ bool FrameFileIO::loadCRTDFile(QString filename, QVector<CANFrame>* frames)
             int multiplier;
             int idxOfDecimal = tokens[0].indexOf('.');
             if (idxOfDecimal > -1) {
-                int decimalPlaces = tokens[0].length() - tokens[0].indexOf('.') - 1;
+                //int decimalPlaces = tokens[0].length() - tokens[0].indexOf('.') - 1;
                 //the result of the above is the # of digits after the decimal.
                 //This program deals in microsecond so turn the value into microseconds
                 multiplier = 1000000; //turn the decimal into full microseconds
diff --git a/frameinfowindow.cpp b/frameinfowindow.cpp
index 6f1390a..a982b8d 100644
--- a/frameinfowindow.cpp
+++ b/frameinfowindow.cpp
@@ -36,6 +36,7 @@ FrameInfoWindow::~FrameInfoWindow()
 
 void FrameInfoWindow::closeEvent(QCloseEvent *event)
 {
+    Q_UNUSED(event);
     writeSettings();
 }
 
@@ -105,14 +106,14 @@ void FrameInfoWindow::updatedFrames(int numFrames)
 
 void FrameInfoWindow::updateDetailsWindow(QString newID)
 {
-    int idx, numFrames, targettedID;
+    int targettedID;
     int minLen, maxLen, thisLen;
     int avgInterval;
     int minData[8];
     int maxData[8];
     int dataHistogram[256][8];
     int bitfieldHistogram[64];
-    QTreeWidgetItem *baseNode, *dataBase, *histBase, *numBase, *tempItem;
+    QTreeWidgetItem *baseNode, *dataBase, *histBase, *tempItem;
 
     targettedID = Utility::ParseStringToNum(newID);
 
diff --git a/frameplaybackwindow.cpp b/frameplaybackwindow.cpp
index 86bf985..64b66fc 100644
--- a/frameplaybackwindow.cpp
+++ b/frameplaybackwindow.cpp
@@ -85,6 +85,8 @@ FramePlaybackWindow::~FramePlaybackWindow()
 {
     delete ui;
 
+    disconnect(serialWorker);
+
     playbackTimer->stop();
     delete playbackTimer;
 }
@@ -96,6 +98,7 @@ void FramePlaybackWindow::showEvent(QShowEvent *)
 
 void FramePlaybackWindow::closeEvent(QCloseEvent *event)
 {
+    Q_UNUSED(event);
     writeSettings();
 }
 
@@ -140,7 +143,6 @@ void FramePlaybackWindow::saveFilters()
 {
     QString filename;
     QFileDialog dialog(this);
-    bool result = false;
 
     QStringList filters;
     filters.append(QString(tr("Filter list (*.ftl)")));
@@ -237,8 +239,6 @@ void FramePlaybackWindow::loadFilters()
 
 void FramePlaybackWindow::refreshIDList()
 {
-    int id;    
-
     if (currentSeqNum < 0 || currentSeqItem == NULL) return;
 
     ui->tblSequence->setCurrentCell(currentSeqNum, 0);
@@ -484,7 +484,7 @@ void FramePlaybackWindow::changePlaybackSpeed(int newSpeed)
 
 void FramePlaybackWindow::changeLooping(bool check)
 {
-
+    Q_UNUSED(check);
 }
 
 void FramePlaybackWindow::changeSendingBus(int newIdx)
diff --git a/graphingwindow.cpp b/graphingwindow.cpp
index 68e0db2..196b075 100644
--- a/graphingwindow.cpp
+++ b/graphingwindow.cpp
@@ -81,6 +81,7 @@ void GraphingWindow::showEvent(QShowEvent* event)
 
 void GraphingWindow::closeEvent(QCloseEvent *event)
 {
+    Q_UNUSED(event);
     writeSettings();
 }
 
@@ -172,7 +173,6 @@ void GraphingWindow::legendDoubleClick(QCPLegend *legend, QCPAbstractLegendItem
 
       if (ui->graphingView->selectedGraphs().size() > 0)
       {
-          int idx = -1;
           for (int i = 0; i < graphParams.count(); i++)
           {
               if (graphParams[i].ref == ui->graphingView->selectedGraphs().first())
diff --git a/mainsettingsdialog.cpp b/mainsettingsdialog.cpp
index 5432e8e..3ab2117 100644
--- a/mainsettingsdialog.cpp
+++ b/mainsettingsdialog.cpp
@@ -55,6 +55,7 @@ MainSettingsDialog::~MainSettingsDialog()
 
 void MainSettingsDialog::closeEvent(QCloseEvent *event)
 {
+    Q_UNUSED(event);
     settings->sync();
 }
 
diff --git a/mainwindow.cpp b/mainwindow.cpp
index a2430a0..11f01e6 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -240,6 +240,7 @@ MainWindow::~MainWindow()
 
 void MainWindow::closeEvent(QCloseEvent *event)
 {
+    Q_UNUSED(event);
     writeSettings();
     exitApp();
 }
@@ -621,7 +622,6 @@ void MainWindow::handleSaveFilters()
 {
     QString filename;
     QFileDialog dialog(this);
-    bool result = false;
 
     QStringList filters;
     filters.append(QString(tr("Filter list (*.ftl)")));
@@ -934,6 +934,8 @@ void MainWindow::showFrameSenderWindow()
             frameSenderWindow = new FrameSenderWindow(model->getListReference());
         else
             frameSenderWindow = new FrameSenderWindow(model->getFilteredListReference());
+
+        connect(frameSenderWindow, SIGNAL(sendCANFrame(const CANFrame*,int)), worker, SLOT(sendFrame(const CANFrame*,int)));
     }
     frameSenderWindow->show();
 }
@@ -982,6 +984,7 @@ void MainWindow::exitApp()
     if (flowViewWindow) flowViewWindow->close();
     if (frameSenderWindow) frameSenderWindow->close();
     if (dbcMainEditor) dbcMainEditor->close();
+    if (comparatorWindow) comparatorWindow->close();
     this->close();
 }
 
diff --git a/newgraphdialog.cpp b/newgraphdialog.cpp
index aa53179..2a24a74 100644
--- a/newgraphdialog.cpp
+++ b/newgraphdialog.cpp
@@ -114,6 +114,7 @@ void NewGraphDialog::loadMessages()
 
 void NewGraphDialog::loadSignals(int idx)
 {
+    Q_UNUSED(idx);
     //messages were placed into the list in the same order as they exist
     //in the data structure so it should have been possible to just
     //look it up based on index but by name is probably safer and this operation
@@ -130,6 +131,7 @@ void NewGraphDialog::loadSignals(int idx)
 
 void NewGraphDialog::fillFormFromSignal(int idx)
 {
+    Q_UNUSED(idx);
     GraphParams params;
     DBC_MESSAGE *msg = dbcHandler->findMsgByName(ui->cbMessages->currentText());
 
diff --git a/serialworker.cpp b/serialworker.cpp
index b1e7dcb..ae623a7 100644
--- a/serialworker.cpp
+++ b/serialworker.cpp
@@ -80,23 +80,23 @@ void SerialWorker::setSerialPort(QSerialPortInfo *port)
     serial->setDataTerminalReady(true); //you do need to set these or the fan gets dirty
     serial->setRequestToSend(true);
     QByteArray output;
-    output.append(0xE7); //this puts the device into binary comm mode
-    output.append(0xE7);
-    output.append(0xF1); //signal we want to issue a command
-    output.append(0x06); //request canbus stats from the board
-    output.append(0xF1); //another command to the GVRET
-    output.append(0x07); //request device information
-    output.append(0xF1);
-    output.append(0x08); //setting singlewire mode
-    output.append(0xF1); //yet another command
-    output.append(0x09); //comm validation command
+    output.append((char)0xE7); //this puts the device into binary comm mode
+    output.append((char)0xE7);
+    output.append((char)0xF1); //signal we want to issue a command
+    output.append((char)0x06); //request canbus stats from the board
+    output.append((char)0xF1); //another command to the GVRET
+    output.append((char)0x07); //request device information
+    output.append((char)0xF1);
+    output.append((char)0x08); //setting singlewire mode
+    output.append((char)0xF1); //yet another command
+    output.append((char)0x09); //comm validation command
     if (settings.value("Main/SingleWireMode", false).toBool())
     {
-        output.append(0x10); //signal that we do want single wire mode
+        output.append((char)0x10); //signal that we do want single wire mode
     }
     else
     {
-        output.append(0xFF); //signal we don't want single wire mode
+        output.append((char)0xFF); //signal we don't want single wire mode
     }
 
     serial->write(output);
@@ -157,7 +157,7 @@ void SerialWorker::sendFrame(const CANFrame *frame, int bus = 0)
     ID = frame->ID;
     if (frame->extended) ID |= 1 << 31;
 
-    buffer[0] = 0xF1; //start of a command over serial
+    buffer[0] = (char)0xF1; //start of a command over serial
     buffer[1] = 0; //command ID for sending a CANBUS frame
     buffer[2] = (unsigned char)(ID & 0xFF); //four bytes of ID LSB first
     buffer[3] = (unsigned char)(ID >> 8);
@@ -189,7 +189,7 @@ void SerialWorker::updateBaudRates(int Speed1, int Speed2)
 {
     QByteArray buffer;
     qDebug() << "Got signal to update bauds. 1: " << Speed1 <<" 2: " << Speed2;
-    buffer[0] = 0xF1; //start of a command over serial
+    buffer[0] = (char)0xF1; //start of a command over serial
     buffer[1] = 5; //setup canbus
     buffer[2] = (unsigned char)(Speed1 & 0xFF); //four bytes of ID LSB first
     buffer[3] = (unsigned char)(Speed1 >> 8);
@@ -432,8 +432,8 @@ void SerialWorker::sendCommValidation()
     QByteArray output;
 
     gotValidated = false;
-    output.append(0xF1); //another command to the GVRET
-    output.append(0x09); //request a reply to get validation
+    output.append((char)0xF1); //another command to the GVRET
+    output.append((char)0x09); //request a reply to get validation
     serial->write(output);
 }