@@ -33,6 +33,7 @@
 APP_NAME: str = 'NotepadPy+'
 SELECTED_THEME: str = ''
 text_to_save: str = ''
+selected_text: str = ''
 # this is needed to control the displaying of the user prompt while closing.
 # If the user closes the document just before closing the document,
 # we do not want to display the prompt for save changes.
@@ -211,8 +212,15 @@ def rgb2hex(r, g, b):
 
 def new_file() -> str:
 ''' Reset body and info bar, and clear FILE_NAME variable '''
+
+global text_last_saved_manually
+global text_to_save
+
 WINDOW['-BODY-'].update(value='')
 WINDOW['-FILE_INFO-'].update(value='New File:')
+WINDOW.set_title('untitled - ' + APP_NAME)
+text_last_saved_manually = ''
+text_to_save = ''
 
 def open_file() -> str:
 ''' Open file and update the infobar '''
@@ -409,24 +417,48 @@ def AboutNotepadPyPlus():
 
 # edit menu events.
 if EVENT == edit_cut:
-selected_text = WINDOW['-BODY-'].Widget.selection_get()
-tk.clipboard_clear()
-tk.clipboard_append(selected_text)
-tk.update()
-WINDOW['-BODY-'].Widget.delete("sel.first", "sel.last")
+try:
+selected_text = WINDOW['-BODY-'].Widget.selection_get()
+tk.clipboard_clear()
+tk.clipboard_append(selected_text)
+tk.update()
+WINDOW['-BODY-'].Widget.delete("sel.first", "sel.last")
+except: # pylint: disable=bare-except
+selected_text = ''
+ShowMessageBox(title='Text Selection Error',
+message='An active text selection was not found. Please select some text to cut.')
 
 if EVENT == edit_copy:
-selected_text = WINDOW['-BODY-'].Widget.selection_get()
-tk.clipboard_clear()
-tk.clipboard_append(selected_text)
-tk.update() # now it stays on the clipboard after the window is closed
+try:
+selected_text = WINDOW['-BODY-'].Widget.selection_get()
+tk.clipboard_clear()
+tk.clipboard_append(selected_text)
+tk.update() # now it stays on the clipboard after the window is closed
+except: # pylint: disable=bare-except
+selected_text = ''
+ShowMessageBox(title='Text Selection Error',
+message='An active text selection was not found. Please select some text to copy.')
 
 if EVENT == edit_paste:
 clip_text = tk.clipboard_get()
+
+try:
+selected_text = WINDOW['-BODY-'].Widget.selection_get()
+except: # pylint: disable=bare-except
+selected_text = ''
+
+if selected_text != '':
+WINDOW['-BODY-'].Widget.delete("sel.first", "sel.last")
+
 WINDOW['-BODY-'].Widget.insert("insert", clip_text)
 
 if EVENT == edit_delete:
-WINDOW['-BODY-'].Widget.delete("sel.first", "sel.last")
+try:
+WINDOW['-BODY-'].Widget.delete("sel.first", "sel.last")
+except:
+selected_text = ''
+ShowMessageBox(title='Text Selection Error',
+message='An active text selection was not found. Please select some text to delete.')
 
 if EVENT in ('Word Count',):
 WORDS = get_word_count()
@@ -484,6 +516,10 @@ def AboutNotepadPyPlus():
 # record the text after each event to ensure the
 # file/text is saved.
 try:
-text_to_save = VALUES['-BODY-']
+# if File -> New menu option is chosen and the new blank editor window is closed, then we do
+# not want to display the Save File prompt. Executing this block on the event of a new file
+# resets the 'text_to_save' variable to old text in the editor and causes to display the save prompt.
+if EVENT != file_new:
+text_to_save = VALUES['-BODY-']
 except: # pylint: disable=bare-except
 pass