diff --git a/worker.cpp b/worker.cpp
index 17ffc43..6a5c050 100644
--- a/worker.cpp
+++ b/worker.cpp
@@ -31,28 +31,31 @@ QString const Worker::UPDATE_STEP_DONE(" [done]");
 QString const Worker::UPDATE_STEP_FAIL(" [FAIL]");
 QString const Worker::UPDATE_STEP_SUCCESS(" [SUCCESS]");
 
-Worker::Worker(hwinf *hw,
-               int customerNr,
+Worker::Worker(int customerNr,
                int machineNr,
                int zoneNr,
                QString branchName,
+               QString pluginName,
                QString workingDirectory,
                bool dryRun,
                QObject *parent,
                char const *serialInterface,
                char const *baudrate)
-  : m_hw(hw)
-  , m_workerThread("workerThread")
+  : m_workerThread("workerThread")
   , m_customerNr(customerNr)
   , m_customerNrStr(QString("customer_") + QString::number(m_customerNr).rightJustified(3, '0'))
   , m_machineNr(machineNr)
   , m_zoneNr(zoneNr)
+  , m_pluginName(pluginName)
   , m_workingDirectory(workingDirectory)
   , m_branchName(branchName)
   , m_customerRepositoryPath(QString("https://git.mimbach49.de/GerhardHoffmann/%1.git").arg(m_customerNrStr))
   , m_customerRepository(QDir::cleanPath(m_workingDirectory + QDir::separator() + m_customerNrStr))
-  , m_update(new Update(m_hw, this, m_customerRepository, m_customerNrStr, m_branchName,
-                        m_workingDirectory, dryRun, parent, serialInterface, baudrate))
+  , m_dryRun(dryRun)
+  , m_parent(parent)
+  , m_serialInterface(serialInterface)
+  , m_baudrate(baudrate)
+  , m_update(nullptr)
   , m_gc(m_customerNrStr, m_customerRepository, m_workingDirectory, m_branchName, this)
   , m_osVersion(getOsVersion())
   , m_atbqtVersion(getATBQTVersion())
@@ -70,7 +73,7 @@ Worker::Worker(hwinf *hw,
   , m_updateProcessRunning(true)
   , m_returnCode(0)
   , m_progressValue(0)
-  , m_withoutIsmasDirectPort(false) /* useful for testing */ {
+  , m_withoutIsmasDirectPort(true) /* useful for testing */ {
 
     QDir::setCurrent(m_workingDirectory);
 
@@ -95,6 +98,7 @@ Worker::Worker(hwinf *hw,
     qInfo() << "MACHINE_NR ................." << m_machineNr;
     qInfo() << "ZONE_NR ...................." << m_zoneNr;
     qInfo() << "BRANCH_NAME ................" << m_branchName;
+    qInfo() << "PLUGIN_NAME ................" << m_pluginName;
     qInfo() << "WORKING_DIRECTORY .........." << m_workingDirectory;
     qInfo() << "APISM VERSION .............." << m_apismVersion;
 
@@ -149,10 +153,14 @@ void Worker::update() {
 }
 
 void Worker::privateUpdate() {
+    if (!m_mainWindow) {
+        Utils::printCriticalErrorMsg("m_mainWindow NOT SET");
+        return;
+    }
+
     m_updateProcessRunning = true;
     bool sentIsmasLastVersionNotification = false;
 
-
     emit disableExit();
 
     m_returnCode = -1;
@@ -845,7 +853,7 @@ bool Worker::updateFiles(quint8 percent) {
         if (fName.contains("print", Qt::CaseInsensitive)) {
             filesToDownload << fName;  // download printer-config-files
         } else {
-            static const QRegularExpression version("^.*dc2c[.][0-9][0-9][.][0-9][0-9][.]bin.*$");
+            static const QRegularExpression version("^.*dc2c[.][0-9]{0,1}[0-9][.][0-9][0-9][.]bin.*$");
             if (fName.contains(version)) {
                 filesToDownload << fName; // download device controller
             }
@@ -858,7 +866,21 @@ bool Worker::updateFiles(quint8 percent) {
 
     if (filesToDownload.size() > 0) {
         Utils::printInfoMsg(QString("FILES_TO_DOWNLOAD_TO_PSA_HW ") + filesToDownload.join(','));
+
+        m_update = new Update(m_mainWindow->getPlugin(),
+                              this,
+                              m_customerRepository,
+                              m_customerNrStr,
+                              m_branchName,
+                              m_pluginName,
+                              m_workingDirectory,
+                              m_dryRun,
+                              m_parent,
+                              m_serialInterface.toStdString().c_str(),
+                              m_baudrate.toStdString().c_str());
+
         ret = m_update->doUpdate(m_displayIndex, filesToDownload);
+
     } else {
         Utils::printCriticalErrorMsg("NO FILES_TO_DOWNLOAD_TO_PSA_HW");
     }
@@ -1017,14 +1039,15 @@ QString Worker::getPluginVersion(QString const &pluginFileName) const {
 
 QStringList Worker::getDCVersion() const {
     QStringList lst = (QStringList() << "N/A" << "N/A");
-    if (m_hw) {
-        m_hw->dc_autoRequest(true); // turn auto-request setting on
+    hwinf *hwi = m_mainWindow->getPlugin();
+    if (hwi) {
+        hwi->dc_autoRequest(true); // turn auto-request setting on
 
         QByteArray const cmp(8, char(0));
         QByteArray hw(""), sw("");
         for (int i=0; i<5; ++i) {
-            hw = m_hw->dc_getHWversion().toUtf8();
-            sw = m_hw->dc_getSWversion().toUtf8();
+            hw = hwi->dc_getHWversion().toUtf8();
+            sw = hwi->dc_getSWversion().toUtf8();
             if (!hw.startsWith(cmp)) {
                 lst.clear();
                 qInfo() << hw << sw;
@@ -1157,6 +1180,14 @@ PSAInstalled Worker::getPSAInstalled() {
     return psaInstalled;
 }
 
+hwinf *Worker::getPlugin() {
+    return m_mainWindow ? m_mainWindow->getPlugin() : nullptr;
+}
+
+hwinf const *Worker::getPlugin() const {
+    return m_mainWindow ? m_mainWindow->getPlugin() : nullptr;
+}
+
 /************************************************************************************************
  * operators
  */
diff --git a/worker.h b/worker.h
index 54d0ddf..3907c25 100644
--- a/worker.h
+++ b/worker.h
@@ -74,16 +74,20 @@ class hwinf;
 class Worker : public QObject {
     Q_OBJECT
 
-    hwinf *m_hw;
     WorkerThread m_workerThread;
     int const m_customerNr;
     QString const m_customerNrStr;
     int const m_machineNr;
     int const m_zoneNr;
+    QString const m_pluginName;
     QString const m_workingDirectory;
     QString const m_branchName;
     QString const m_customerRepositoryPath;
     QString const m_customerRepository;
+    bool const m_dryRun;
+    QObject *m_parent;
+    QString const m_serialInterface;
+    QString const m_baudrate;
     Update *m_update;
     IsmasClient m_ismasClient;
     GitClient m_gc;
@@ -130,11 +134,11 @@ public:
     static const QString UPDATE_STEP_FAIL;
     static const QString UPDATE_STEP_SUCCESS;
 
-    explicit Worker(hwinf *hw,
-                    int customerNr, // 281
+    explicit Worker(int customerNr, // 281
                     int machineNr,
                     int zoneNr,
                     QString branchName,
+                    QString pluginName,
                     QString workingDir = ".",
                     bool dryRun = false,
                     QObject *parent = nullptr,
@@ -143,6 +147,8 @@ public:
     ~Worker();
 
     void setMainWindow(MainWindow *mainWindow) { m_mainWindow = mainWindow; }
+    hwinf *getPlugin();
+    hwinf const *getPlugin() const;
     void setProgress(int progress);
     void startProgressLoop();
     void stopProgressLoop();