diff --git a/Makefile b/Makefile
index ce93975..d4e790d 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@
 # Generated by qmake (3.1) (Qt 5.15.2)
 # Project:  ../cine-encoder-3.1/app/cine_encoder.pro
 # Template: app
-# Command: /usr/bin/qmake -o Makefile ../cine-encoder-3.1/app/cine_encoder.pro -spec linux-g++ CONFIG+=debug CONFIG+=qml_debug
+# Command: /usr/bin/qmake -o Makefile ../cine-encoder-3.1/app/cine_encoder.pro -spec linux-g++ CONFIG+=qtquickcompiler
 #############################################################################
 
 MAKEFILE      = Makefile
@@ -14,9 +14,9 @@ EQ            = =
 
 CC            = gcc
 CXX           = g++
-DEFINES       = -DQT_QML_DEBUG -DQT_MULTIMEDIA_LIB -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB
-CFLAGS        = -pipe -g -Wall -Wextra -D_REENTRANT -fPIC $(DEFINES)
-CXXFLAGS      = -pipe -g -std=gnu++11 -Wall -Wextra -D_REENTRANT -fPIC $(DEFINES)
+DEFINES       = -DQT_NO_DEBUG -DQT_MULTIMEDIA_LIB -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB
+CFLAGS        = -pipe -O2 -Wall -Wextra -D_REENTRANT -fPIC $(DEFINES)
+CXXFLAGS      = -pipe -O2 -std=gnu++11 -Wall -Wextra -D_REENTRANT -fPIC $(DEFINES)
 INCPATH       = -I../cine-encoder-3.1/app -I. -I/usr/include/qt -I/usr/include/qt/QtMultimedia -I/usr/include/qt/QtWidgets -I/usr/include/qt/QtGui -I/usr/include/qt/QtNetwork -I/usr/include/qt/QtCore -I. -I. -I/usr/lib/qt/mkspecs/linux-g++
 QMAKE         = /usr/bin/qmake
 DEL_FILE      = rm -f
@@ -39,7 +39,7 @@ COMPRESS      = gzip -9f
 DISTNAME      = cine_encoder1.0.0
 DISTDIR = /home/helg/Documents/QtCreatorProjects/builddir/.tmp/cine_encoder1.0.0
 LINK          = g++
-LFLAGS        = 
+LFLAGS        = -Wl,-O1
 LIBS          = $(SUBLIBS) -lmediainfo /usr/lib/libQt5Multimedia.so /usr/lib/libQt5Widgets.so /usr/lib/libQt5Gui.so /usr/lib/libQt5Network.so /usr/lib/libQt5Core.so -lGL -lpthread   
 AR            = ar cqs
 RANLIB        = 
@@ -314,7 +314,7 @@ DIST          = /usr/lib/qt/mkspecs/features/spec_pre.prf \
 		/usr/lib/qt/mkspecs/features/default_pre.prf \
 		/usr/lib/qt/mkspecs/features/resolve_config.prf \
 		/usr/lib/qt/mkspecs/features/default_post.prf \
-		/usr/lib/qt/mkspecs/features/qml_debug.prf \
+		/usr/lib/qt/mkspecs/features/qtquickcompiler.prf \
 		/usr/lib/qt/mkspecs/features/warn_on.prf \
 		/usr/lib/qt/mkspecs/features/qt.prf \
 		/usr/lib/qt/mkspecs/features/resources_functions.prf \
@@ -583,7 +583,7 @@ Makefile: ../cine-encoder-3.1/app/cine_encoder.pro /usr/lib/qt/mkspecs/linux-g++
 		/usr/lib/qt/mkspecs/features/default_pre.prf \
 		/usr/lib/qt/mkspecs/features/resolve_config.prf \
 		/usr/lib/qt/mkspecs/features/default_post.prf \
-		/usr/lib/qt/mkspecs/features/qml_debug.prf \
+		/usr/lib/qt/mkspecs/features/qtquickcompiler.prf \
 		/usr/lib/qt/mkspecs/features/warn_on.prf \
 		/usr/lib/qt/mkspecs/features/qt.prf \
 		/usr/lib/qt/mkspecs/features/resources_functions.prf \
@@ -600,7 +600,7 @@ Makefile: ../cine-encoder-3.1/app/cine_encoder.pro /usr/lib/qt/mkspecs/linux-g++
 		/usr/lib/qt/mkspecs/features/lex.prf \
 		../cine-encoder-3.1/app/cine_encoder.pro \
 		../cine-encoder-3.1/app/files.qrc
-	$(QMAKE) -o Makefile ../cine-encoder-3.1/app/cine_encoder.pro -spec linux-g++ CONFIG+=debug CONFIG+=qml_debug
+	$(QMAKE) -o Makefile ../cine-encoder-3.1/app/cine_encoder.pro -spec linux-g++ CONFIG+=qtquickcompiler
 /usr/lib/qt/mkspecs/features/spec_pre.prf:
 /usr/lib/qt/mkspecs/common/unix.conf:
 /usr/lib/qt/mkspecs/common/linux.conf:
@@ -828,7 +828,7 @@ Makefile: ../cine-encoder-3.1/app/cine_encoder.pro /usr/lib/qt/mkspecs/linux-g++
 /usr/lib/qt/mkspecs/features/default_pre.prf:
 /usr/lib/qt/mkspecs/features/resolve_config.prf:
 /usr/lib/qt/mkspecs/features/default_post.prf:
-/usr/lib/qt/mkspecs/features/qml_debug.prf:
+/usr/lib/qt/mkspecs/features/qtquickcompiler.prf:
 /usr/lib/qt/mkspecs/features/warn_on.prf:
 /usr/lib/qt/mkspecs/features/qt.prf:
 /usr/lib/qt/mkspecs/features/resources_functions.prf:
@@ -846,7 +846,7 @@ Makefile: ../cine-encoder-3.1/app/cine_encoder.pro /usr/lib/qt/mkspecs/linux-g++
 ../cine-encoder-3.1/app/cine_encoder.pro:
 ../cine-encoder-3.1/app/files.qrc:
 qmake: FORCE
-	@$(QMAKE) -o Makefile ../cine-encoder-3.1/app/cine_encoder.pro -spec linux-g++ CONFIG+=debug CONFIG+=qml_debug
+	@$(QMAKE) -o Makefile ../cine-encoder-3.1/app/cine_encoder.pro -spec linux-g++ CONFIG+=qtquickcompiler
 
 qmake_all: FORCE
 
@@ -1414,7 +1414,7 @@ compiler_moc_predefs_make_all: moc_predefs.h
 compiler_moc_predefs_clean:
 	-$(DEL_FILE) moc_predefs.h
 moc_predefs.h: /usr/lib/qt/mkspecs/features/data/dummy.cpp
-	g++ -pipe -g -std=gnu++11 -Wall -Wextra -dM -E -o moc_predefs.h /usr/lib/qt/mkspecs/features/data/dummy.cpp
+	g++ -pipe -O2 -std=gnu++11 -Wall -Wextra -dM -E -o moc_predefs.h /usr/lib/qt/mkspecs/features/data/dummy.cpp
 
 compiler_moc_header_make_all: moc_about.cpp moc_dialog.cpp moc_donate.cpp moc_mainwindow.cpp moc_preset.cpp moc_selectpreset.cpp moc_settings.cpp moc_taskcomplete.cpp
 compiler_moc_header_clean:
@@ -1586,6 +1586,7 @@ moc_taskcomplete.o: moc_taskcomplete.cpp
 install_target: first FORCE
 	@test -d $(INSTALL_ROOT)/usr/bin || mkdir -p $(INSTALL_ROOT)/usr/bin
 	$(QINSTALL_PROGRAM) $(QMAKE_TARGET) $(INSTALL_ROOT)/usr/bin/$(QMAKE_TARGET)
+	-$(STRIP) $(INSTALL_ROOT)/usr/bin/$(QMAKE_TARGET)
 
 uninstall_target: FORCE
 	-$(DEL_FILE) $(INSTALL_ROOT)/usr/bin/$(QMAKE_TARGET)
diff --git a/app/mainwindow.cpp b/app/mainwindow.cpp
index 3c2c1bc..2ff5277 100644
--- a/app/mainwindow.cpp
+++ b/app/mainwindow.cpp
@@ -35,8 +35,12 @@ MainWindow::MainWindow(QWidget *parent) :
     ui(new Ui::MainWindow)
 {
     ui->setupUi(this);
+#ifdef Q_OS_WIN64
     this->setWindowFlags(Qt::Window | Qt::FramelessWindowHint | Qt::WindowSystemMenuHint |
                          Qt::WindowMaximizeButtonHint | Qt::WindowMinimizeButtonHint);
+#else
+    this->setWindowFlags(Qt::Window | Qt::FramelessWindowHint);
+#endif
     this->setMouseTracking(true);
     this->setAcceptDrops(true);
 }