diff --git a/network_sketcher.py b/network_sketcher.py
index 83a1703..6533ba2 100644
--- a/network_sketcher.py
+++ b/network_sketcher.py
@@ -33,7 +33,7 @@ def __init__(self):
         self.click_value_2nd = ''
         self.click_value_3rd = ''
         self.root = TkinterDnD.Tk()
-        self.root.title("Network Sketcher  ver 2.2.0")
+        self.root.title("Network Sketcher  ver 2.2.0(a)")
         self.root.geometry("490x200+100+100")
         
         # Notebook
diff --git a/ns_def.py b/ns_def.py
index b137e0c..e1bfc0e 100644
--- a/ns_def.py
+++ b/ns_def.py
@@ -889,7 +889,7 @@ def check_file_open(file_fullpath):
             return False
         except:
             #tkinter.messagebox.showwarning(title="File is being opened", message="Please close the file below." + '\n\n' + file_fullpath)
-            return False
+            return False #chenge for windows at Ver 2.2.0(a)
 
     #raise NameError