diff --git a/System/Core/MessageBox.HC b/System/Core/MessageBox.HC
index 27285bf..8c3bf1c 100644
--- a/System/Core/MessageBox.HC
+++ b/System/Core/MessageBox.HC
@@ -17,6 +17,9 @@ Context2D* MESSAGEBOX_WIN_ICON_WARN = Image.FileToContext2D(
 #define MESSAGEBOX_TYPE_ERROR 1
 #define MESSAGEBOX_TYPE_INFO 2
 #define MESSAGEBOX_TYPE_CONFIRM 3
+#define MESSAGEBOX_TYPE_CONFIRM_NO_ASK 4
+
+#define MESSAGEBOX_TAG_CONFIRM_NO_ASK 0x80
 
 JsonArray* @messagebox_default_info = Json.Parse("[\"OK\"]", Fs);
 JsonArray* @messagebox_default_confirm = Json.Parse("[\"OK\",\"Cancel\"]", Fs);
@@ -31,7 +34,7 @@ U0 @messagebox_close_widget(Widget* widget)
 }
 
 U0 @messagebox_msg(U8* str, I64 type, Context2D* win_icon, Context2D* icon,
-    U64 callback = NULL, JsonArray* options = NULL)
+    U64 callback = NULL, JsonArray* options = NULL, Bool default_no_ask = FALSE)
 {
     U64 flags = WIN_FLAGS_MOVABLE | WIN_FLAGS_ICON | WIN_FLAGS_TITLE_BAR | WIN_FLAGS_CLOSE_BUTTON;
     Window* win = Compositor.CreateWindow(0, 0, 320, 192, flags);
@@ -47,6 +50,7 @@ U0 @messagebox_msg(U8* str, I64 type, Context2D* win_icon, Context2D* icon,
         Gui.Window.SetTitle(win, "Info");
         break;
     case MESSAGEBOX_TYPE_CONFIRM:
+    case MESSAGEBOX_TYPE_CONFIRM_NO_ASK:
         Gui.Window.SetTitle(win, "Confirm");
         break;
     }
@@ -55,6 +59,8 @@ U0 @messagebox_msg(U8* str, I64 type, Context2D* win_icon, Context2D* icon,
     TextLabelWidget* lbl_text = Gui.CreateWidget(win, WIDGET_TYPE_LABEL, 40, 16, 192, 96);
     ButtonWidget* btn_ok = NULL;
     ButtonWidget* btn_cancel = NULL;
+    CheckBoxWidget* cb_no_ask = NULL;
+    TextLabelWidget* lbl_no_ask = NULL;
 
     Gui.Widget.SetText(lbl_text, str);
     Gui.Window.SetCallback(win, "close", callback);
@@ -82,6 +88,18 @@ U0 @messagebox_msg(U8* str, I64 type, Context2D* win_icon, Context2D* icon,
         btn_ok->tag = TRUE;
     }
 
+    if (type == MESSAGEBOX_TYPE_CONFIRM_NO_ASK) {
+        cb_no_ask = Gui.CreateWidget(win, WIDGET_TYPE_CHECKBOX, 40, win->height - 96, 24, 24);
+        cb_no_ask->checked = default_no_ask;
+        cb_no_ask->tag = MESSAGEBOX_TAG_CONFIRM_NO_ASK;
+        lbl_no_ask = Gui.CreateWidget(win, WIDGET_TYPE_LABEL, 64, win->height - 94, 96, 16);
+        if (callback) {
+            Gui.Widget.SetCallback(cb_no_ask, "clicked", callback);
+        }
+        Gui.Widget.SetText(lbl_no_ask, "Do not ask again");
+        Gui.Widget.SetEcho(lbl_no_ask, cb_no_ask);
+    }
+
     Gui.Window.Center(win);
     Gui.Window.SetFocus(win);
 }
@@ -122,12 +140,22 @@ U0 @messagebox_confirm(U8* str, U64 callback = NULL, JsonArray* options = NULL)
         MESSAGEBOX_ICON_INFO, callback, options);
 }
 
+U0 @messagebox_confirm_no_ask(U8* str, U64 callback = NULL, JsonArray* options = NULL, Bool default_no_ask = FALSE)
+{
+    if (!options || !options->length) {
+        options = @messagebox_default_confirm;
+    }
+    @messagebox_msg(str, MESSAGEBOX_TYPE_CONFIRM_NO_ASK, MESSAGEBOX_WIN_ICON_INFO,
+        MESSAGEBOX_ICON_INFO, callback, options, default_no_ask);
+}
+
 class @messagebox
 {
     U0* (*Alert)(U8* str, U64 callback = NULL, JsonArray* options = NULL);
     U0* (*Error)(U8* str, U64 callback = NULL, JsonArray* options = NULL);
     U0* (*Info)(U8* str, U64 callback = NULL, JsonArray* options = NULL);
     U0* (*Confirm)(U8* str, U64 callback = NULL, JsonArray* options = NULL);
+    U0* (*ConfirmNoAsk)(U8* str, U64 callback = NULL, JsonArray* options = NULL, Bool default_no_ask = FALSE);
 };
 
 @messagebox MessageBox;
@@ -135,5 +163,6 @@ MessageBox.Alert = &@messagebox_alert;
 MessageBox.Error = &@messagebox_error;
 MessageBox.Info = &@messagebox_info;
 MessageBox.Confirm = &@messagebox_confirm;
+MessageBox.ConfirmNoAsk = &@messagebox_confirm_no_ask;
 
 "messagebox ";
\ No newline at end of file