diff --git a/app/scanner2/mainwindow.cpp b/app/scanner2/mainwindow.cpp
index b43bc9f6..c93ec8c1 100644
--- a/app/scanner2/mainwindow.cpp
+++ b/app/scanner2/mainwindow.cpp
@@ -3284,19 +3284,48 @@ void MainWindow::upgradeApp(QString pkgPath)
         QFile::copy(curPath + "Qt5Gui.dll", tmpPath + "Qt5Gui.dll");
         QFile::remove(tmpPath + "Qt5Widgets.dll");
         QFile::copy(curPath + "Qt5Widgets.dll", tmpPath + "Qt5Widgets.dll");
+        QFile::remove(tmpPath + "Qt5Svg.dll");
+        QFile::copy(curPath + "Qt5Svg.dll", tmpPath + "Qt5Svg.dll");
         QFile::remove(tmpPath + "vcruntime140.dll");
         QFile::copy(curPath + "vcruntime140.dll", tmpPath + "vcruntime140.dll");
         QFile::remove(tmpPath + "concrt140.dll");
         QFile::copy(curPath + "concrt140.dll", tmpPath + "concrt140.dll");
         QFile::remove(tmpPath + "vcruntime140_1.dll");
         QFile::copy(curPath + "vcruntime140_1.dll", tmpPath + "vcruntime140_1.dll");
+
         QDir dir;
-        dir.mkdir(tmpPath + "platforms");
-        QFile::remove(tmpPath + "platforms/qwindows.dll");
-        QFile::copy(curPath + "platforms/qwindows.dll", tmpPath + "platforms/qwindows.dll");
+
+        dir.mkdir(tmpPath + "iconengines");
+        QFile::remove(tmpPath + "iconengines/qsvgicon.dll");
+        QFile::copy(curPath + "iconengines/qsvgicon.dll", tmpPath + "iconengines/qsvgicon.dll");
+
         dir.mkdir(tmpPath + "imageformats");
         QFile::remove(tmpPath + "imageformats/qgif.dll");
         QFile::copy(curPath + "imageformats/qgif.dll", tmpPath + "imageformats/qgif.dll");
+        QFile::remove(tmpPath + "imageformats/qicns.dll");
+        QFile::copy(curPath + "imageformats/qicns.dll", tmpPath + "imageformats/qicns.dll");
+        QFile::remove(tmpPath + "imageformats/qico.dll");
+        QFile::copy(curPath + "imageformats/qico.dll", tmpPath + "imageformats/qico.dll");
+        QFile::remove(tmpPath + "imageformats/qjpeg.dll");
+        QFile::copy(curPath + "imageformats/qjpeg.dll", tmpPath + "imageformats/qjpeg.dll");
+        QFile::remove(tmpPath + "imageformats/qsvg.dll");
+        QFile::copy(curPath + "imageformats/qsvg.dll", tmpPath + "imageformats/qsvg.dll");
+        QFile::remove(tmpPath + "imageformats/qtga.dll");
+        QFile::copy(curPath + "imageformats/qtga.dll", tmpPath + "imageformats/qtga.dll");
+        QFile::remove(tmpPath + "imageformats/qtiff.dll");
+        QFile::copy(curPath + "imageformats/qtiff.dll", tmpPath + "imageformats/qtiff.dll");
+        QFile::remove(tmpPath + "imageformats/qwbmp.dll");
+        QFile::copy(curPath + "imageformats/qwbmp.dll", tmpPath + "imageformats/qwbmp.dll");
+        QFile::remove(tmpPath + "imageformats/qwebp.dll");
+        QFile::copy(curPath + "imageformats/qwebp.dll", tmpPath + "imageformats/qwebp.dll");
+
+        dir.mkdir(tmpPath + "platforms");
+        QFile::remove(tmpPath + "platforms/qwindows.dll");
+        QFile::copy(curPath + "platforms/qwindows.dll", tmpPath + "platforms/qwindows.dll");
+
+        dir.mkdir(tmpPath + "styles");
+        QFile::remove(tmpPath + "styles/qwindowsvistastyle.dll");
+        QFile::copy(curPath + "styles/qwindowsvistastyle.dll", tmpPath + "styles/qwindowsvistastyle.dll");
 #else
 //    #if defined(OEM_HANWANG)
 //        QFile::remove(tmpPath + "HwUpgradeApp");
@@ -3365,6 +3394,7 @@ void MainWindow::upgradeApp(QString pkgPath)
 //        #elif defined(OEM_ZIGUANG)
 //            isSuccessdStart = proc.startDetached(tmpPath + "ZGUpgradeApp.exe", argList);
 //    #else
+    proc.setWorkingDirectory(tmpPath);
         isSuccessdStart = proc.startDetached(tmpPath + "HGUpgradeApp.exe", argList);
 //    #endif
 #else
diff --git a/app/upgrade/mainwindow.cpp b/app/upgrade/mainwindow.cpp
index 9fdbe924..4ff6ac8c 100644
--- a/app/upgrade/mainwindow.cpp
+++ b/app/upgrade/mainwindow.cpp
@@ -21,7 +21,8 @@ MainWindow::MainWindow(const std::string& pkgPath, QWidget *parent)
     ui->setupUi(this);
 
     setWindowTitle(tr("Installation"));
-    setWindowFlags(Qt::SubWindow | Qt::Popup);
+    //setWindowFlags(Qt::SubWindow | Qt::Popup);
+	setWindowFlags(Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::WindowMinMaxButtonsHint);
 
     ui->label_text->setText(tr("Installation in progress, please wait..."));
 
diff --git a/build.bat b/build.bat
index 14093ec8..42946ed1 100644
--- a/build.bat
+++ b/build.bat
@@ -98,10 +98,6 @@ if "%OEM%" == "hw" (
 						%QT_STATIC_PATH%/x64-windows-static-md/tools/qt5/bin/qmake -r -tp vc HGTwainUI.pro
 						MSBuild.exe HGTwainUI.vcxproj /m:8 /p:Configuration=Release /p:Platform=x64
 						cd /d ../
-						cd /d HGUpgrade
-						%QT_STATIC_PATH%/x64-windows-static-md/tools/qt5/bin/qmake -r -tp vc HGUpgrade.pro
-						MSBuild.exe HGUpgradeApp.vcxproj /m:8 /p:Configuration=Release /p:Platform=x64
-						cd /d ../
 						
 						%QT_PATH%/msvc2017/bin/qmake -r -tp vc HGSolutionWin.pro
 						MSBuild.exe HGSolutionWin.sln /m:8 /p:Configuration=Release			
@@ -109,10 +105,6 @@ if "%OEM%" == "hw" (
 						%QT_STATIC_PATH%/x86-windows-static-md/tools/qt5/bin/qmake -r -tp vc HGTwainUI.pro
 						MSBuild.exe HGTwainUI.vcxproj /m:8 /p:Configuration=Release
 						cd /d ../
-						cd /d HGUpgrade
-						%QT_STATIC_PATH%/x86-windows-static-md/tools/qt5/bin/qmake -r -tp vc HGUpgrade.pro
-						MSBuild.exe HGUpgradeApp.vcxproj /m:8 /p:Configuration=Release
-						cd /d ../
 					)
 				)
 			)
diff --git a/modules/twainui/dllmain.cpp b/modules/twainui/dllmain.cpp
index afcd225d..c30d5677 100644
--- a/modules/twainui/dllmain.cpp
+++ b/modules/twainui/dllmain.cpp
@@ -22,7 +22,7 @@ BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /*lpvReserved*/)
     if (dwReason == DLL_PROCESS_ATTACH)
     {
         g_hInst = hInstance;
-
+#if 0
         HGChar moduleName[512];
         HGBase_GetModuleName(DllMain, moduleName, 512);
         HGChar modulePath[512];
@@ -42,6 +42,7 @@ BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /*lpvReserved*/)
             putenv(newEnv);
             delete []newEnv;
         }
+#endif
     }
     else if (dwReason == DLL_PROCESS_DETACH)
     {