diff --git a/build.sh b/build.sh
index 647e6b4..7641db3 100755
--- a/build.sh
+++ b/build.sh
@@ -1,4 +1,4 @@
 #!/bin/bash
 for ui in *.ui; do
-  pyside6-uic $ui > ${ui%.*}.py
+  pyside2-uic $ui > ${ui%.*}.py
 done
\ No newline at end of file
diff --git a/main.py b/main.py
index 8573b81..fe460c9 100644
--- a/main.py
+++ b/main.py
@@ -6,8 +6,8 @@ from pathlib import Path
 import shutil
 import zlib
 import requests
-from PySide6.QtCore import QProcess
-from PySide6.QtWidgets import QApplication, QMainWindow, QFileDialog, QMessageBox, QPushButton
+from PySide2.QtCore import QProcess
+from PySide2.QtWidgets import QApplication, QMainWindow, QFileDialog, QMessageBox, QPushButton
 from mainwindow import Ui_MainWindow
 
 
@@ -169,6 +169,9 @@ if __name__ == "__main__":
     try:
         window = MainWindow()
         window.show()
-        sys.exit(app.exec())
+        sys.exit(app.exec_())
+    except SystemExit:
+        sys.exit(0)
     except:
+        traceback.print_exc()
         sys.exit(1)
diff --git a/mainwindow.py b/mainwindow.py
index 9172660..75d0347 100644
--- a/mainwindow.py
+++ b/mainwindow.py
@@ -3,21 +3,15 @@
 ################################################################################
 ## Form generated from reading UI file 'mainwindow.ui'
 ##
-## Created by: Qt User Interface Compiler version 6.2.2
+## Created by: Qt User Interface Compiler version 5.15.2
 ##
 ## WARNING! All changes made in this file will be lost when recompiling UI file!
 ################################################################################
 
-from PySide6.QtCore import (QCoreApplication, QDate, QDateTime, QLocale,
-    QMetaObject, QObject, QPoint, QRect,
-    QSize, QTime, QUrl, Qt)
-from PySide6.QtGui import (QBrush, QColor, QConicalGradient, QCursor,
-    QFont, QFontDatabase, QGradient, QIcon,
-    QImage, QKeySequence, QLinearGradient, QPainter,
-    QPalette, QPixmap, QRadialGradient, QTransform)
-from PySide6.QtWidgets import (QApplication, QGridLayout, QLabel, QLineEdit,
-    QMainWindow, QMenuBar, QPushButton, QSizePolicy,
-    QWidget)
+from PySide2.QtCore import *
+from PySide2.QtGui import *
+from PySide2.QtWidgets import *
+
 
 class Ui_MainWindow(object):
     def setupUi(self, MainWindow):
@@ -39,6 +33,7 @@ class Ui_MainWindow(object):
 
         self.pushButton = QPushButton(self.gridLayoutWidget)
         self.pushButton.setObjectName(u"pushButton")
+        self.pushButton.setEnabled(False)
 
         self.gridLayout.addWidget(self.pushButton, 0, 2, 1, 1)
 
diff --git a/requirements.txt b/requirements.txt
index bbe75c7..2157bbe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-PySide6
+PySide2
 pyinstaller
 requests
\ No newline at end of file