Don't get confused if PSN_SETACTIVE returns a positive number that

dlls/comctl32/propsheet.c

@@ -2028,18 +2028,24 @@ static BOOL PROPSHEET_SetCurSel(HWND hwndDlg,
       index+=skipdir;
       if (index < 0) {
 	index = 0;
-	FIXME("Tried to skip before first property sheet page!\n");
+	WARN("Tried to skip before first property sheet page!\n");
 	break;
       }
       if (index >= psInfo->nPages) {
-	FIXME("Tried to skip after last property sheet page!\n");
+	WARN("Tried to skip after last property sheet page!\n");
 	index = psInfo->nPages-1;
 	break;
       }
     }
     else if (result != 0)
     {
+      int old_index = index;
       index = PROPSHEET_FindPageByResId(psInfo, result);
+      if(index >= psInfo->nPages) {
+        index = old_index;
+        WARN("Tried to skip to nonexistant page by res id\n");
+        break;
+      }
       continue;
     }
   }