diff --git a/trunk/Units/MMLCore/client.pas b/trunk/Units/MMLCore/client.pas
index 4da6aaa..000bb8f 100644
--- a/trunk/Units/MMLCore/client.pas
+++ b/trunk/Units/MMLCore/client.pas
@@ -71,6 +71,8 @@ end;
 
 destructor TClient.Destroy;
 begin
+  IOManager.SetState(True);
+
   MOCR.Free;
   MDTM.Free;
   MBitmaps.Free;
diff --git a/trunk/Units/MMLCore/iomanager.pas b/trunk/Units/MMLCore/iomanager.pas
index cb89e01..a2061ea 100644
--- a/trunk/Units/MMLCore/iomanager.pas
+++ b/trunk/Units/MMLCore/iomanager.pas
@@ -261,6 +261,7 @@ interface
         procedure SetImageTarget(idx: integer);
         procedure SetKeyMouseTarget(idx: integer);
         procedure FreeTarget(idx: integer);
+        procedure SetState(val: Boolean);
 
       protected
         function SetImageTarget(target: TTarget): integer;
@@ -275,11 +276,13 @@ interface
         frozen: TTarget;
         freezebuffer: prgb32;
         bothsame: boolean;
+        FStopping: Boolean;
 
         idxarr: array of TTarget;
 
         function GetTargetIdx(target: TTarget): integer;
         function GetIdxTarget(idx: integer): TTarget;
+      property Stopping: Boolean Read FStopping write SetState;
     end;
 
 implementation
@@ -446,7 +449,7 @@ end;
 procedure TIOManager_Abstract.BitmapDestroyed(Bitmap : TMufasaBitmap);
 begin
   if image is TBitmapTarget then
-    if TBitmapTarget(image).bitmap = Bitmap then
+    if (TBitmapTarget(image).bitmap = Bitmap) and (not FStopping) then
       raise Exception.Create('Target bitmap was destroyed!');
 end;
 
@@ -554,6 +557,12 @@ begin
   result := keymouse.GetKeyCode(c);
 end;
 
+// TRUE when STOPPING.
+procedure TIOManager_Abstract.SetState(val: Boolean);
+begin
+  FStopping := val;
+end;
+
 //***implementation*** TTarget
 
 procedure TTarget.GetTargetDimensions(var w, h: integer); begin raise Exception.Create('GetTargetDimensions not available for this target'); end;