diff --git a/qt_ui/liberation_install.py b/qt_ui/liberation_install.py
index 341cd45a..8ffbc30c 100644
--- a/qt_ui/liberation_install.py
+++ b/qt_ui/liberation_install.py
@@ -22,6 +22,7 @@ def init():
     global __dcs_saved_game_directory
     global __dcs_installation_directory
     global __last_save_file
+    global __ignore_empty_install_directory
 
     if PREFERENCES_PATH.exists():
         try:
@@ -31,14 +32,19 @@ def init():
             __dcs_saved_game_directory = pref_data["saved_game_dir"]
             __dcs_installation_directory = pref_data["dcs_install_dir"]
             __last_save_file = pref_data.get("last_save_file", "")
+            __ignore_empty_install_directory = pref_data.get(
+                "ignore_empty_install_directory", False
+            )
             is_first_start = False
         except KeyError:
             __dcs_saved_game_directory = ""
             __dcs_installation_directory = ""
             __last_save_file = ""
+            __ignore_empty_install_directory = False
             is_first_start = True
     else:
         __last_save_file = ""
+        __ignore_empty_install_directory = False
         try:
             __dcs_saved_game_directory = (
                 dcs.installation.get_dcs_saved_games_directory()
@@ -76,10 +82,12 @@ def save_config():
     global __dcs_saved_game_directory
     global __dcs_installation_directory
     global __last_save_file
+    global __ignore_empty_install_directory
     pref_data = {
         "saved_game_dir": __dcs_saved_game_directory,
         "dcs_install_dir": __dcs_installation_directory,
         "last_save_file": __last_save_file,
+        "ignore_empty_install_directory": __ignore_empty_install_directory,
     }
     PREFERENCES_PATH.parent.mkdir(exist_ok=True, parents=True)
     with PREFERENCES_PATH.open("w") as prefs:
@@ -96,6 +104,16 @@ def get_saved_game_dir():
     return __dcs_saved_game_directory
 
 
+def ignore_empty_install_directory():
+    global __ignore_empty_install_directory
+    return __ignore_empty_install_directory
+
+
+def set_ignore_empty_install_directory(value: bool):
+    global __ignore_empty_install_directory
+    __ignore_empty_install_directory = value
+
+
 def get_last_save_file():
     global __last_save_file
     print(__last_save_file)
diff --git a/qt_ui/main.py b/qt_ui/main.py
index 2032c8f6..9ef9dfc5 100644
--- a/qt_ui/main.py
+++ b/qt_ui/main.py
@@ -9,7 +9,7 @@ from typing import Optional
 from PySide2 import QtWidgets
 from PySide2.QtCore import Qt
 from PySide2.QtGui import QPixmap
-from PySide2.QtWidgets import QApplication, QSplashScreen
+from PySide2.QtWidgets import QApplication, QSplashScreen, QCheckBox
 from dcs.payloads import PayloadDirectories
 
 from game import Game, VERSION, persistency
@@ -99,20 +99,29 @@ def run_ui(game: Optional[Game]) -> None:
 
     # Show warning if no DCS Installation directory was set
     if liberation_install.get_dcs_install_directory() == "":
-        QtWidgets.QMessageBox.warning(
-            splash,
-            "No DCS installation directory.",
-            "The DCS Installation directory is not set correctly. "
-            "This will prevent DCS Liberation to work properly as the MissionScripting "
-            "file will not be modified."
-            "<br/><br/>To solve this problem, you can set the Installation directory "
-            "within the preferences menu. You can also manually edit or replace the "
-            "following file:"
-            "<br/><br/><strong>&lt;dcs_installation_directory&gt;/Scripts/MissionScripting.lua</strong>"
-            "<br/><br/>The easiest way to do it is to replace the original file with the file in dcs-liberation distribution (&lt;dcs_liberation_installation&gt;/resources/scripts/MissionScripting.lua)."
-            "<br/><br/>You can find more information on how to manually change this file in the Liberation Wiki (Page: Dedicated Server Guide) on GitHub.</p>",
-            QtWidgets.QMessageBox.StandardButton.Ok,
+        logging.warning(
+            "DCS Installation directory is empty. MissionScripting file will not be replaced!"
         )
+        if not liberation_install.ignore_empty_install_directory():
+            ignore_checkbox = QCheckBox("Do not show again")
+            ignore_checkbox.stateChanged.connect(set_ignore_empty_install_directory)
+            message_box = QtWidgets.QMessageBox(parent=splash)
+            message_box.setIcon(QtWidgets.QMessageBox.Icon.Warning)
+            message_box.setWindowTitle("No DCS installation directory.")
+            message_box.setText(
+                "The DCS Installation directory is not set correctly. "
+                "This will prevent DCS Liberation to work properly as the MissionScripting "
+                "file will not be modified."
+                "<br/><br/>To solve this problem, you can set the Installation directory "
+                "within the preferences menu. You can also manually edit or replace the "
+                "following file:"
+                "<br/><br/><strong>&lt;dcs_installation_directory&gt;/Scripts/MissionScripting.lua</strong>"
+                "<br/><br/>The easiest way to do it is to replace the original file with the file in dcs-liberation distribution (&lt;dcs_liberation_installation&gt;/resources/scripts/MissionScripting.lua)."
+                "<br/><br/>You can find more information on how to manually change this file in the Liberation Wiki (Page: Dedicated Server Guide) on GitHub.</p>"
+            )
+            message_box.setDefaultButton(QtWidgets.QMessageBox.StandardButton.Ok)
+            message_box.setCheckBox(ignore_checkbox)
+            message_box.exec_()
     # Replace DCS Mission scripting file to allow DCS Liberation to work
     try:
         liberation_install.replace_mission_scripting_file()
@@ -274,6 +283,11 @@ def create_game(
     return game
 
 
+def set_ignore_empty_install_directory(value: bool) -> None:
+    liberation_install.set_ignore_empty_install_directory(value)
+    liberation_install.save_config()
+
+
 def lint_all_weapon_data() -> None:
     for weapon in WeaponGroup.named("Unknown").weapons:
         logging.warning(f"No weapon data for {weapon}: {weapon.clsid}")