diff -r 29ddb8a72f0e -r 9f1c3fea0f87 windowing/windowserver/nga/SERVER/openwfc/WINBASE.CPP
--- a/windowing/windowserver/nga/SERVER/openwfc/WINBASE.CPP	Tue Jul 06 15:45:57 2010 +0300
+++ b/windowing/windowserver/nga/SERVER/openwfc/WINBASE.CPP	Wed Aug 18 11:05:09 2010 +0300
@@ -511,10 +511,18 @@
 				}
 			}
 			break;
-			case EWsWinOpEnableAdvancedPointers:
-				User::LeaveIfError(IsActivated()?KErrInUse:KErrNone);
-				iBaseWinFlags |= EBaseWinAdvancedPointersEnabled;
-				break;
+		case EWsWinOpEnableAdvancedPointers:
+      if(!IsActivated())
+          {
+          // Must call this BEFORE activating the window.
+          iBaseWinFlags |= EBaseWinAdvancedPointersEnabled;
+          }
+      else
+          {                    
+          // Called after activation, so panic the client.                
+          OwnerPanic(EWservPanicUnableToEnableAdvPointer);
+          }
+			break;
 		default:
 			return(EFalse);
 		}