diff --git a/CMakeLists.txt b/CMakeLists.txt
index 792ca3e..10dd071 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,8 +9,10 @@ set(CMAKE_AUTORCC ON)
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-find_package(QT NAMES Qt6 REQUIRED COMPONENTS Widgets)
-find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Widgets)
+#target_include_directories(RenpyTranslationHelper PRIVATE /usr/include/qt6)
+
+find_package(QT NAMES Qt6 REQUIRED COMPONENTS Widgets Network)
+find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Widgets Network)
 
 set(TS_FILES RenpyTranslationHelper_en_GB.ts)
 
@@ -27,19 +29,11 @@ if(${QT_VERSION_MAJOR} GREATER_EQUAL 6)
         MANUAL_FINALIZATION
         ${PROJECT_SOURCES}
     )
-# Define target properties for Android with Qt 6 as:
-#    set_property(TARGET RenpyTranslationHelper APPEND PROPERTY QT_ANDROID_PACKAGE_SOURCE_DIR
-#                 ${CMAKE_CURRENT_SOURCE_DIR}/android)
-# For more information, see https://doc.qt.io/qt-6/qt-add-executable.html#target-creation
-
-#    qt_create_translation(QM_FILES ${CMAKE_SOURCE_DIR} ${TS_FILES})
 else()
     if(ANDROID)
         add_library(RenpyTranslationHelper SHARED
             ${PROJECT_SOURCES}
         )
-# Define properties for Android with Qt 5 after find_package() calls as:
-#    set(ANDROID_PACKAGE_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/android")
     else()
         add_executable(RenpyTranslationHelper
             ${PROJECT_SOURCES}
@@ -51,12 +45,9 @@ endif()
 
 target_link_libraries(RenpyTranslationHelper PRIVATE
     Qt${QT_VERSION_MAJOR}::Widgets
-    Qt6Network
+    Qt${QT_VERSION_MAJOR}::Network
 )
 
-# Qt for iOS sets MACOSX_BUNDLE_GUI_IDENTIFIER automatically since Qt 6.1.
-# If you are developing for iOS or macOS you should consider setting an
-# explicit, fixed bundle identifier manually though.
 if(${QT_VERSION} VERSION_LESS 6.1.0)
   set(BUNDLE_ID_OPTION MACOSX_BUNDLE_GUI_IDENTIFIER com.example.RenpyTranslationHelper)
 endif()
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 4f4efb6..ae2ed2f 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -16,6 +16,8 @@
 #include <QJsonObject>
 #include <QDialogButtonBox>
 #include <QInputDialog>
+#include <QClipboard>
+#include <QTimer>
 
 MainWindow::MainWindow(QWidget *parent)
     : QMainWindow(parent)
@@ -117,29 +119,33 @@ void MainWindow::on_languageCombo_currentTextChanged(const QString &selectedLang
 }
 
 void MainWindow::populateTreeWidgetFromMap() {
-    ui->treeWidget->clear();
-    foreach (const auto &pair, fileContentsMap) {
-        QTreeWidgetItem *fileItem = new QTreeWidgetItem(ui->treeWidget);
-        QString fileName = QFileInfo(pair.first).fileName();
-        fileItem->setText(0, fileName);
-        fileItem->setData(0, Qt::UserRole, false);
-        auto parsedBlocks = parseTextBlock(pair.second);
-        for (const auto& block : std::as_const(parsedBlocks)) {
-            QTreeWidgetItem *blockItem = new QTreeWidgetItem(fileItem);
-            blockItem->setText(0, QString::number(block.line));
-            blockItem->setText(1, block.oldText);
-            blockItem->setText(2, block.newText);
-            blockItem->setText(3, block.character);
+    try {
+        ui->treeWidget->clear();
+        foreach (const auto &pair, fileContentsMap) {
+            QTreeWidgetItem *fileItem = new QTreeWidgetItem(ui->treeWidget);
+            QString fileName = QFileInfo(pair.first).fileName();
+            fileItem->setText(0, fileName);
+            fileItem->setData(0, Qt::UserRole, false);
+            auto parsedBlocks = parseTextBlock(pair.second);
+            for (const auto &block : std::as_const(parsedBlocks)) {
+                QTreeWidgetItem *blockItem = new QTreeWidgetItem(fileItem);
+                blockItem->setText(0, QString::number(block.line));
+                blockItem->setText(1, QString("%1").arg(block.character));
+                blockItem->setText(2, block.oldText);
+                blockItem->setText(3, block.newText);
+            }
         }
+        ui->treeWidget->resizeColumnToContents(0);
+        int firstColumnWidth = ui->treeWidget->columnWidth(0);
+        int secondColumnWidth = ui->treeWidget->columnWidth(1);
+        int remainingWidth = ui->treeWidget->viewport()->width() - firstColumnWidth - secondColumnWidth;
+        int columnWidth = remainingWidth / 2;
+        ui->treeWidget->setColumnWidth(2, columnWidth);
+        ui->treeWidget->setColumnWidth(3, columnWidth);
+        countAndShowUntranslated();
+    } catch (const std::exception &e) {
+        qDebug() << e.what();
     }
-
-    ui->treeWidget->resizeColumnToContents(0);
-    int firstColumnWidth = ui->treeWidget->columnWidth(0);
-    int remainingWidth = ui->treeWidget->viewport()->width() - firstColumnWidth;
-    int columnWidth = remainingWidth / 2;
-    ui->treeWidget->setColumnWidth(1, columnWidth);
-    ui->treeWidget->setColumnWidth(2, columnWidth);
-    countAndShowUntranslated();
 }
 
 QVector<MainWindow::TranslationItem> MainWindow::parseTextBlock(const QString& input) {
@@ -196,17 +202,18 @@ void MainWindow::on_reloadFilesButton_clicked()
     populateTreeWidgetFromMap();
 }
 
-void MainWindow::on_nextUntranslatedButton_clicked()
-{
+void MainWindow::on_nextUntranslatedButton_clicked() {
     for (int i = 0; i < ui->treeWidget->topLevelItemCount(); ++i) {
         QTreeWidgetItem *topLevelItem = ui->treeWidget->topLevelItem(i);
         for (int j = 0; j < topLevelItem->childCount(); ++j) {
             QTreeWidgetItem *childItem = topLevelItem->child(j);
-            if (childItem->text(2).isEmpty()) {
-                ui->originalTextEdit->setText(childItem->text(1));
+            // Prüfe, ob Übersetzung (Spalte 3) leer ist
+            if (childItem->text(3).isEmpty()) {
+                ui->originalTextEdit->setText(childItem->text(2)); // Originaltext aus Spalte 2
                 ui->translationEdit->clear();
                 ui->treeWidget->scrollToItem(childItem);
                 ui->treeWidget->setCurrentItem(childItem);
+                on_copyButton_clicked();
                 return;
             }
         }
@@ -214,34 +221,39 @@ void MainWindow::on_nextUntranslatedButton_clicked()
     QMessageBox::information(this, tr("Information"), tr("No untranslated item found."));
 }
 
-void MainWindow::on_treeWidget_itemSelectionChanged()
-{
+void MainWindow::on_treeWidget_itemSelectionChanged() {
     QTreeWidgetItem *selectedItem = ui->treeWidget->currentItem();
     if (selectedItem) {
         if (selectedItem->treeWidget()->indexOfTopLevelItem(selectedItem) < 0) {
-            ui->originalTextEdit->setText(selectedItem->text(1));
-            ui->translationEdit->setText(selectedItem->text(2));
+            ui->originalTextEdit->setText(selectedItem->text(2));  // Originaltext
+            ui->translationEdit->setText(selectedItem->text(3));   // Übersetzung
         }
     }
 }
 
-
-void MainWindow::on_setTranslationButton_clicked()
-{
+void MainWindow::on_setTranslationButton_clicked() {
     QTreeWidgetItem *selectedItem = ui->treeWidget->currentItem();
     if (selectedItem) {
         if (selectedItem->treeWidget()->indexOfTopLevelItem(selectedItem) < 0) {
-            selectedItem->setText(2, ui->translationEdit->text());
+            // Setze Übersetzung in Spalte 3
+            selectedItem->setText(3, ui->translationEdit->text());
             QTreeWidgetItem *parentItem = selectedItem->parent();
             if (parentItem) {
                 parentItem->setData(0, Qt::UserRole, true);
+                for (int index = 0; index < parentItem->childCount(); ++index) {
+                    auto item = parentItem->child(index);
+                    // Vergleiche den Originaltext (Spalte 2)
+                    if (item->text(2) == ui->originalTextEdit->text()) {
+                        item->setText(3, ui->translationEdit->text());
+                    }
+                }
             }
         }
     }
+    ui->originalTextEdit->setFocus();
     countAndShowUntranslated();
 }
 
-
 void MainWindow::on_setTranslationAndJumpNextButton_clicked()
 {
     on_setTranslationButton_clicked();
@@ -352,7 +364,7 @@ bool MainWindow::parseAndEditFile(QFile &backupFile, QTreeWidgetItem *fileItem,
         auto oldText = match.captured(4);
         auto newText = match.captured(6);
         auto replacedText = findNewText(fileItem, lineNumber, oldText, speaker);
-        QString toReplace = QString("\"%1\"").arg(newText);
+        QString toReplace = QString("\"%1\"").arg(newText).trimmed();
         QString replacement = QString("\"%1\"").arg(replacedText.isEmpty() ? newText : replacedText);
         auto replacedBlock = block.replace(toReplace, replacement);
         content.replace(match.capturedStart(0), match.capturedLength(0), replacedBlock);
@@ -381,16 +393,37 @@ bool MainWindow::parseAndEditFile(QFile &backupFile, QTreeWidgetItem *fileItem,
 QString MainWindow::findNewText(QTreeWidgetItem *fileItem, const QString &lineNumber, const QString &originalText, const QString &speaker) {
     for (int i = 0; i < fileItem->childCount(); ++i) {
         QTreeWidgetItem *childItem = fileItem->child(i);
-        if (childItem->text(0) == lineNumber && childItem->text(1) == originalText && childItem->text(3) == speaker) {
-            return childItem->text(2);
+        if (childItem->text(0) == lineNumber &&
+            childItem->text(1) == speaker &&
+            childItem->text(2) == originalText) {
+            return childItem->text(3);
         }
     }
     return QString();
 }
 
 void MainWindow::loadDeeplTranslationPossibilities() {
+    static int attempt = 1;
     QNetworkAccessManager *manager = new QNetworkAccessManager(this);
-    connect(manager, &QNetworkAccessManager::finished, this, &MainWindow::onDeeplTranslationPossibilitiesLoaded);
+    connect(manager, &QNetworkAccessManager::finished, this, [this, manager](QNetworkReply *reply) {
+        if (reply->error() != QNetworkReply::NoError) {
+            qDebug() << "Network error:" << reply->errorString();
+            qDebug() << "Attempt:" << attempt;
+            if (attempt < 5) {
+                attempt++;
+                QTimer::singleShot(250, this, &MainWindow::loadDeeplTranslationPossibilities);
+            } else {
+                qDebug() << "Max attempts reached, giving up.";
+                attempt = 1;
+            }
+        } else {
+            attempt = 1;
+            onDeeplTranslationPossibilitiesLoaded(reply);
+        }
+        reply->deleteLater();
+        manager->deleteLater();
+    });
+
     QNetworkRequest request(QUrl("https://api-free.deepl.com/v2/glossary-language-pairs"));
     request.setRawHeader("Authorization", "DeepL-Auth-Key " + ui->deeplApiKey->text().toUtf8());
     manager->get(request);
@@ -483,6 +516,8 @@ void MainWindow::on_deeplTranslateFrom_currentTextChanged(const QString &sourceL
     }
 }
 
+#include <QTimer>
+
 void MainWindow::on_autoTranslateButton_clicked() {
     if (ui->deeplApiKey->text().isEmpty()) {
         QMessageBox::information(this, "Deepl error", "For auto translation, you need to add a deepl API key.");
@@ -495,12 +530,32 @@ void MainWindow::on_autoTranslateButton_clicked() {
     jsonData["text"] = QJsonArray::fromStringList({originalText});
     jsonData["source_lang"] = sourceLang;
     jsonData["target_lang"] = targetLang;
-    QNetworkAccessManager *manager = new QNetworkAccessManager(this);
-    connect(manager, &QNetworkAccessManager::finished, this, &MainWindow::translationRequestFinished);
     QUrl url("https://api-free.deepl.com/v2/translate");
     QNetworkRequest request(url);
     request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
     request.setRawHeader("Authorization", "DeepL-Auth-Key " + ui->deeplApiKey->text().toUtf8());
+    static int attempt = 1;
+    QNetworkAccessManager *manager = new QNetworkAccessManager(this);
+    connect(manager, &QNetworkAccessManager::finished, this,
+            [this, manager, jsonData, request](QNetworkReply *reply) mutable {
+        if (reply->error() != QNetworkReply::NoError) {
+            qDebug() << "Translation request failed:" << reply->errorString();
+            qDebug() << "Attempt:" << attempt;
+            if (attempt < 5) {
+                attempt++;
+                QTimer::singleShot(250, this, &MainWindow::on_autoTranslateButton_clicked);
+            } else {
+                qDebug() << "Max attempts reached for auto translation.";
+                attempt = 1;
+            }
+        } else {
+            attempt = 1;
+            translationRequestFinished(reply);
+        }
+        reply->deleteLater();
+        manager->deleteLater();
+    });
+
     manager->post(request, QJsonDocument(jsonData).toJson());
 }
 
@@ -524,21 +579,24 @@ void MainWindow::translationRequestFinished(QNetworkReply *reply) {
     reply->deleteLater();
 }
 
-void MainWindow::countAndShowUntranslated()
-{
+void MainWindow::countAndShowUntranslated() {
     int untranslatedCount = 0;
-    std::function<void(QTreeWidgetItem *)> countUntranslated = [&](QTreeWidgetItem *parentItem) {
+    std::function<int(QTreeWidgetItem *)> countUntranslated = [&](QTreeWidgetItem *parentItem) {
+        int untranslatedInSectionCount = 0;
         for (int i = 0; i < parentItem->childCount(); ++i) {
             QTreeWidgetItem *childItem = parentItem->child(i);
-            if (!childItem->text(1).isEmpty() && childItem->text(2).isEmpty()) {
+            if (!childItem->text(2).isEmpty() && childItem->text(3).isEmpty()) {
                 untranslatedCount++;
+                untranslatedInSectionCount++;
             }
             countUntranslated(childItem);
         }
+        return untranslatedInSectionCount;
     };
     for (int i = 0; i < ui->treeWidget->topLevelItemCount(); ++i) {
         QTreeWidgetItem *topLevelItem = ui->treeWidget->topLevelItem(i);
-        countUntranslated(topLevelItem);
+        int sectionCount = countUntranslated(topLevelItem);
+        topLevelItem->setText(1, QString("%1").arg(sectionCount));
     }
     ui->untranslatedLabel->setText(QString("%1").arg(untranslatedCount));
 }
@@ -567,8 +625,8 @@ void MainWindow::searchNext() {
         auto fileItem {ui->treeWidget->invisibleRootItem()->child(fileItemPos)};
         for (int linePos = 0; linePos < fileItem->childCount(); ++linePos) {
             auto line {fileItem->child(linePos)};
-            if (currentItem == NULL && (line->text(1).contains(searchQuery, Qt::CaseInsensitive)
-                    || line->text(2).contains(searchQuery, Qt::CaseInsensitive))) {
+            if (currentItem == NULL && (line->text(2).contains(searchQuery, Qt::CaseInsensitive)
+                    || line->text(3).contains(searchQuery, Qt::CaseInsensitive))) {
                 ui->treeWidget->setCurrentItem(line);
                 ui->treeWidget->scrollToItem(line);
                 return;
@@ -602,3 +660,7 @@ void MainWindow::on_deeplApiKey_editingFinished()
     loadDeeplTranslationPossibilities();
 }
 
+void MainWindow::on_copyButton_clicked() {
+    QGuiApplication::clipboard()->setText(ui->originalTextEdit->text());
+}
+
diff --git a/mainwindow.h b/mainwindow.h
index 4bd72ba..40a210c 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -3,6 +3,8 @@
 
 #include <QMainWindow>
 #include <QJsonObject>
+#include <memory>
+#include <QNetworkReply>
 
 QT_BEGIN_NAMESPACE
 namespace Ui { class MainWindow; }
@@ -11,6 +13,7 @@ QT_END_NAMESPACE
 class QTreeWidgetItem;
 class QFile;
 class QNetworkReply;
+class QAuthenticator;
 
 class MainWindow : public QMainWindow
 {
@@ -40,8 +43,8 @@ private slots:
     void on_autoTranslateButton_clicked();
     void on_searchButton_clicked();
     void on_searchNextButton_clicked();
-
     void on_deeplApiKey_editingFinished();
+    void on_copyButton_clicked();
 
 private:
     struct TranslationItem {
@@ -55,6 +58,7 @@ private:
         QString oldText;
         QString newText;
     };
+    std::unique_ptr<QNetworkAccessManager> networkManager;
     Ui::MainWindow *ui;
     QJsonObject configuration;
     bool noConfigChange{false};
@@ -72,6 +76,7 @@ private:
     void loadDeeplTranslationPossibilities();
     void renderDeeplSources();
     void translationRequestFinished(QNetworkReply *reply);
+    void onDeeplTranslationAuthenticationError(QNetworkReply *reply, QAuthenticator *authenticator);
     void countAndShowUntranslated();
     void searchNext();
     QVector<TranslationItem> parseTextBlock(const QString &block);
diff --git a/mainwindow.ui b/mainwindow.ui
index bd00149..0bded77 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -102,6 +102,11 @@
          <string>File</string>
         </property>
        </column>
+       <column>
+        <property name="text">
+         <string>Speaker</string>
+        </property>
+       </column>
        <column>
         <property name="text">
          <string>Original</string>
@@ -112,11 +117,6 @@
          <string>Translation</string>
         </property>
        </column>
-       <column>
-        <property name="text">
-         <string>Speaker</string>
-        </property>
-       </column>
        <item>
         <property name="text">
          <string>All items</string>
@@ -230,7 +230,14 @@
        <item>
         <widget class="QLineEdit" name="originalTextEdit">
          <property name="enabled">
-          <bool>false</bool>
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QPushButton" name="copyButton">
+         <property name="text">
+          <string>Copy</string>
          </property>
         </widget>
        </item>