diff --git a/Generals/Code/GameEngine/Include/GameClient/GameWindowManager.h b/Generals/Code/GameEngine/Include/GameClient/GameWindowManager.h
index a3a4f53a4a6..2f84e45550b 100644
--- a/Generals/Code/GameEngine/Include/GameClient/GameWindowManager.h
+++ b/Generals/Code/GameEngine/Include/GameClient/GameWindowManager.h
@@ -389,6 +389,16 @@ class GameWindowManagerDummy : public GameWindowManager
 
 	virtual GameWindow *allocateNewWindow() override { return newInstance(GameWindowDummy); }
 
+	// TheSuperHackers @fix bobtista 19/07/2026 Return no message box window in headless mode
+	virtual GameWindow *gogoMessageBox(Int x, Int y, Int width, Int height, UnsignedShort buttonFlags,
+		UnicodeString titleString, UnicodeString bodyString,
+		GameWinMsgBoxFunc yesCallback, GameWinMsgBoxFunc noCallback,
+		GameWinMsgBoxFunc okCallback, GameWinMsgBoxFunc cancelCallback) override { return nullptr; }
+	virtual GameWindow *gogoMessageBox(Int x, Int y, Int width, Int height, UnsignedShort buttonFlags,
+		UnicodeString titleString, UnicodeString bodyString,
+		GameWinMsgBoxFunc yesCallback, GameWinMsgBoxFunc noCallback,
+		GameWinMsgBoxFunc okCallback, GameWinMsgBoxFunc cancelCallback, Bool useLogo) override { return nullptr; }
+
 	virtual GameWinDrawFunc getPushButtonImageDrawFunc() override { return nullptr; }
 	virtual GameWinDrawFunc getPushButtonDrawFunc() override { return nullptr; }
 	virtual GameWinDrawFunc getCheckBoxImageDrawFunc() override { return nullptr; }
diff --git a/GeneralsMD/Code/GameEngine/Include/GameClient/GameWindowManager.h b/GeneralsMD/Code/GameEngine/Include/GameClient/GameWindowManager.h
index e976c6f5735..a398b5dac39 100644
--- a/GeneralsMD/Code/GameEngine/Include/GameClient/GameWindowManager.h
+++ b/GeneralsMD/Code/GameEngine/Include/GameClient/GameWindowManager.h
@@ -389,6 +389,16 @@ class GameWindowManagerDummy : public GameWindowManager
 
 	virtual GameWindow *allocateNewWindow() override { return newInstance(GameWindowDummy); }
 
+	// TheSuperHackers @fix bobtista 19/07/2026 Return no message box window in headless mode
+	virtual GameWindow *gogoMessageBox(Int x, Int y, Int width, Int height, UnsignedShort buttonFlags,
+		UnicodeString titleString, UnicodeString bodyString,
+		GameWinMsgBoxFunc yesCallback, GameWinMsgBoxFunc noCallback,
+		GameWinMsgBoxFunc okCallback, GameWinMsgBoxFunc cancelCallback) override { return nullptr; }
+	virtual GameWindow *gogoMessageBox(Int x, Int y, Int width, Int height, UnsignedShort buttonFlags,
+		UnicodeString titleString, UnicodeString bodyString,
+		GameWinMsgBoxFunc yesCallback, GameWinMsgBoxFunc noCallback,
+		GameWinMsgBoxFunc okCallback, GameWinMsgBoxFunc cancelCallback, Bool useLogo) override { return nullptr; }
+
 	virtual GameWinDrawFunc getPushButtonImageDrawFunc() override { return nullptr; }
 	virtual GameWinDrawFunc getPushButtonDrawFunc() override { return nullptr; }
 	virtual GameWinDrawFunc getCheckBoxImageDrawFunc() override { return nullptr; }