diff --git a/OMEdit/OMEditGUI/MainWindow.cpp b/OMEdit/OMEditGUI/MainWindow.cpp
index 63c40dbc129..e12ca97b94d 100644
--- a/OMEdit/OMEditGUI/MainWindow.cpp
+++ b/OMEdit/OMEditGUI/MainWindow.cpp
@@ -138,7 +138,7 @@ void MainWindow::setUpMainWindow()
   setbuf(stdout, NULL); // used non-buffered stdout
   mpOutputFileDataNotifier = 0;
   mpOutputFileDataNotifier = new FileDataNotifier(outputFileName);
-  connect(mpOutputFileDataNotifier, SIGNAL(bytesAvailable(qint64)), SLOT(readOutputFile(qint64)));
+  connect(mpOutputFileDataNotifier, SIGNAL(sendData(QString)), SLOT(writeOutputFileData(QString)));
   mpOutputFileDataNotifier->start();
   // Reopen the standard error stream.
   QString errorFileName = Utilities::tempDirectory() + "/omediterror.txt";
@@ -146,7 +146,7 @@ void MainWindow::setUpMainWindow()
   setbuf(stderr, NULL); // used non-buffered stderr
   mpErrorFileDataNotifier = 0;
   mpErrorFileDataNotifier = new FileDataNotifier(errorFileName);
-  connect(mpErrorFileDataNotifier, SIGNAL(bytesAvailable(qint64)), SLOT(readErrorFile(qint64)));
+  connect(mpErrorFileDataNotifier, SIGNAL(sendData(QString)), SLOT(writeErrorFileData(QString)));
   mpErrorFileDataNotifier->start();
   // Create an object of QProgressBar
   mpProgressBar = new QProgressBar;
@@ -1378,25 +1378,25 @@ void MainWindow::loadSystemLibrary()
 }
 
 /*!
- * \brief MainWindow::readOutputFile
- * Reads the available output data from file and adds it to MessagesWidget.
- * \param bytes
+ * \brief MainWindow::writeOutputFileData
+ * Writes the output data from stdout file and adds it to MessagesWidget.
+ * \param data
  */
-void MainWindow::readOutputFile(qint64 bytes)
+void MainWindow::writeOutputFileData(QString data)
 {
-  QString data = mpOutputFileDataNotifier->read(bytes);
-  MessagesWidget::instance()->addGUIMessage(MessageItem(MessageItem::Modelica, "", false, 0, 0, 0, 0, data, Helper::scriptingKind, Helper::notificationLevel));
+  MessagesWidget::instance()->addGUIMessage(MessageItem(MessageItem::Modelica, "", false, 0, 0, 0, 0, data,
+                                                        Helper::scriptingKind, Helper::notificationLevel));
 }
 
 /*!
- * \brief MainWindow::readErrorFile
- * Reads the available error data from file and adds it to MessagesWidget.
- * \param bytes
+ * \brief MainWindow::writeErrorFileData
+ * Writes the error data from stderr file and adds it to MessagesWidget.
+ * \param data
  */
-void MainWindow::readErrorFile(qint64 bytes)
+void MainWindow::writeErrorFileData(QString data)
 {
-  QString data = mpErrorFileDataNotifier->read(bytes);
-  MessagesWidget::instance()->addGUIMessage(MessageItem(MessageItem::Modelica, "", false, 0, 0, 0, 0, data, Helper::scriptingKind, Helper::notificationLevel));
+  MessagesWidget::instance()->addGUIMessage(MessageItem(MessageItem::Modelica, "", false, 0, 0, 0, 0, data,
+                                                        Helper::scriptingKind, Helper::errorLevel));
 }
 
 //! Opens the recent file.
diff --git a/OMEdit/OMEditGUI/MainWindow.h b/OMEdit/OMEditGUI/MainWindow.h
index 3594d5995c0..2f51b5265d7 100644
--- a/OMEdit/OMEditGUI/MainWindow.h
+++ b/OMEdit/OMEditGUI/MainWindow.h
@@ -368,8 +368,8 @@ public slots:
   void loadExternalModels();
   void openDirectory();
   void loadSystemLibrary();
-  void readOutputFile(qint64 bytes);
-  void readErrorFile(qint64 bytes);
+  void writeOutputFileData(QString data);
+  void writeErrorFileData(QString data);
   void openRecentFile();
   void clearRecentFilesList();
   void undo();
diff --git a/OMEdit/OMEditGUI/Util/Utilities.cpp b/OMEdit/OMEditGUI/Util/Utilities.cpp
index d47936742f1..23b756a7830 100644
--- a/OMEdit/OMEditGUI/Util/Utilities.cpp
+++ b/OMEdit/OMEditGUI/Util/Utilities.cpp
@@ -149,7 +149,6 @@ FileDataNotifier::FileDataNotifier(const QString fileName)
 {
   mFile.setFileName(fileName);
   mStop = false;
-  mBytesAvailable = 0;
 }
 
 /*!
@@ -164,17 +163,6 @@ void FileDataNotifier::exit(int retcode)
   QThread::exit(retcode);
 }
 
-/*!
- * \brief FileDataNotifier::read
- * Reads the bytes from the file.
- * \param maxlen
- * \return
- */
-QByteArray FileDataNotifier::read(qint64 maxlen)
-{
-  return mFile.read(maxlen);
-}
-
 /*!
  * \brief FileDataNotifier::run
  * Reimplentation of QThread::run().
@@ -190,9 +178,8 @@ void FileDataNotifier::run()
         break;
       }
       // if file has bytes available to read.
-      if (mFile.bytesAvailable() > mBytesAvailable) {
-        mBytesAvailable = mFile.bytesAvailable();
-        emit bytesAvailable(mFile.bytesAvailable());
+      if (mFile.bytesAvailable() > 0) {
+        emit sendData(QString(mFile.readAll()));
       }
       Sleep::sleep(1);
     }
diff --git a/OMEdit/OMEditGUI/Util/Utilities.h b/OMEdit/OMEditGUI/Util/Utilities.h
index 3bfc5397db6..b1ac2438628 100644
--- a/OMEdit/OMEditGUI/Util/Utilities.h
+++ b/OMEdit/OMEditGUI/Util/Utilities.h
@@ -120,17 +120,15 @@ class FileDataNotifier : public QThread
 public:
   FileDataNotifier(const QString fileName);
   void exit(int retcode = 0);
-  QByteArray read(qint64 maxlen);
 private:
   QFile mFile;
   bool mStop;
-  qint64 mBytesAvailable;
 protected:
   void run();
 public slots:
   void start(Priority = InheritPriority);
 signals:
-  void bytesAvailable(qint64 bytes);
+  void sendData(QString data);
 };
 
 /*!