diff --git a/statapp/about_window.py b/statapp/about_window.py
index 86bf76f..bb95aad 100644
--- a/statapp/about_window.py
+++ b/statapp/about_window.py
@@ -18,7 +18,9 @@
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 #
 import sys
-from PySide2.QtGui import QMovie
+
+from PySide2.QtCore import QSize
+from PySide2.QtGui import QMovie, QIcon
 from PySide2.QtWidgets import QMainWindow
 
 from statapp.ui.ui_about_window import Ui_AboutWindow
@@ -47,3 +49,7 @@ class AboutWindow(QMainWindow):
 
         version = importlib_metadata.version(__package__ or __name__)
         self.ui.versionLabel.setText(f"Версия: {version}")
+
+        icon = QIcon()
+        icon.addFile(resource_path("ui/images/logo.ico"), QSize(), QIcon.Normal, QIcon.Off)
+        self.setWindowIcon(icon)
diff --git a/statapp/correlation_analysis.py b/statapp/correlation_analysis.py
index fae0400..45ad7f0 100644
--- a/statapp/correlation_analysis.py
+++ b/statapp/correlation_analysis.py
@@ -17,11 +17,14 @@
 # You should have received a copy of the GNU General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 #
+from PySide2.QtCore import QSize
+from PySide2.QtGui import QIcon
 from PySide2.QtWidgets import QDialog, QHeaderView
 
 from statapp.calculations import correlation_analysis
 from statapp.models.correlation_analysis_model import CorrelationAnalysisModel
 from statapp.ui.ui_correlation_analysis_window import Ui_CorrelationAnalysisWindow
+from statapp.utils import resource_path
 
 
 class СorrelationAnalysisWindow(QDialog):
@@ -35,3 +38,7 @@ class СorrelationAnalysisWindow(QDialog):
         self.ui.tableView.setModel(self.model)
         header = self.ui.tableView.horizontalHeader()
         header.setSectionResizeMode(QHeaderView.ResizeMode.Stretch)
+
+        icon = QIcon()
+        icon.addFile(resource_path("ui/images/logo.ico"), QSize(), QIcon.Normal, QIcon.Off)
+        self.setWindowIcon(icon)
diff --git a/statapp/generate_factor_window.py b/statapp/generate_factor_window.py
index 3cbc6bb..bab3d8f 100644
--- a/statapp/generate_factor_window.py
+++ b/statapp/generate_factor_window.py
@@ -17,12 +17,13 @@
 # You should have received a copy of the GNU General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 #
-from PySide2.QtCore import Slot
+from PySide2.QtCore import Slot, QSize
+from PySide2.QtGui import QIcon
 from PySide2.QtWidgets import QDialog
 
 from statapp.ui.ui_generate_factor_window import Ui_GenerateFactorWindow
 from statapp.models.combobox_model import ComboBoxModel
-
+from statapp.utils import resource_path
 
 DIRECT_LINK = 0
 INDIRECT_LINK = 1
@@ -43,6 +44,10 @@ class GenerateFactorWindow(QDialog):
         self.ui.setupUi(self)
         self.ui.typeComboBox.setModel(self._typeComboBox)
 
+        icon = QIcon()
+        icon.addFile(resource_path("ui/images/logo.ico"), QSize(), QIcon.Normal, QIcon.Off)
+        self.setWindowIcon(icon)
+
     @Slot()
     def on_generatePushButton_clicked(self):
         self.typeConnection = self._typeComboBox.rawData(self.ui.typeComboBox.currentIndex())[0]
diff --git a/statapp/generate_window.py b/statapp/generate_window.py
index 5958b0a..0449bd6 100644
--- a/statapp/generate_window.py
+++ b/statapp/generate_window.py
@@ -17,10 +17,12 @@
 # You should have received a copy of the GNU General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 #
-from PySide2.QtCore import Slot
+from PySide2.QtCore import Slot, QSize
+from PySide2.QtGui import QIcon
 from PySide2.QtWidgets import QDialog
 
 from statapp.ui.ui_generate_window import Ui_GenerateWindow
+from statapp.utils import resource_path
 
 
 class GenerateWindow(QDialog):
@@ -32,6 +34,11 @@ class GenerateWindow(QDialog):
         self.ui = Ui_GenerateWindow()
         self.ui.setupUi(self)
 
+        icon = QIcon()
+        icon.addFile(resource_path("ui/images/logo.ico"), QSize(), QIcon.Normal, QIcon.Off)
+        self.setWindowIcon(icon)
+
+
     @Slot()
     def on_generatePushButton_clicked(self):
 
diff --git a/statapp/main_window.py b/statapp/main_window.py
index 4cd5f55..fddc529 100644
--- a/statapp/main_window.py
+++ b/statapp/main_window.py
@@ -43,6 +43,7 @@ class MainWindow(QMainWindow):
 
         icon = QIcon()
         icon.addFile(resource_path("ui/images/logo.ico"), QSize(), QIcon.Normal, QIcon.Off)
+        self.setWindowIcon(icon)
 
         self.ui.generateXaction.setEnabled(False)
         self.ui.varianceAnalysisAction.setEnabled(False)
@@ -110,6 +111,7 @@ class MainWindow(QMainWindow):
     @Slot()
     def on_generateYaction_triggered(self):
         gw = GenerateWindow()
+
         if gw.exec():
             y = np.random.normal(gw.mat, gw.deviation, size=(gw.count, 1))
             self.model.updateAllData(y.round(2))
@@ -136,11 +138,6 @@ class MainWindow(QMainWindow):
     def on_aboutmenuaction_triggered(self):
         global about_window
         about_window = AboutWindow()
-
-        icon = QIcon()
-        icon.addFile(resource_path("ui/images/logo.ico"), QSize(), QIcon.Normal, QIcon.Off)
-        about_window.setWindowIcon(icon)
-
         about_window.show()
 
     @Slot()
diff --git a/statapp/variance_analysis.py b/statapp/variance_analysis.py
index dc6adf6..0cbab8b 100644
--- a/statapp/variance_analysis.py
+++ b/statapp/variance_analysis.py
@@ -17,11 +17,14 @@
 # You should have received a copy of the GNU General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 #
+from PySide2.QtCore import QSize
+from PySide2.QtGui import QIcon
 from PySide2.QtWidgets import QDialog, QHeaderView
 
 from statapp.calculations import variance_analysis
 from statapp.models.variance_analysis_model import VarianceAnalysisModel
 from statapp.ui.ui_variance_analysis_window import Ui_VarianceAnalysisWindow
+from statapp.utils import resource_path
 
 
 class VarianceAnalysisWindow(QDialog):
@@ -35,3 +38,7 @@ class VarianceAnalysisWindow(QDialog):
         self.ui.tableView.setModel(self.model)
         header = self.ui.tableView.horizontalHeader()
         header.setSectionResizeMode(QHeaderView.ResizeMode.Stretch)
+
+        icon = QIcon()
+        icon.addFile(resource_path("ui/images/logo.ico"), QSize(), QIcon.Normal, QIcon.Off)
+        self.setWindowIcon(icon)