diff --git a/DemoPrograms/Browser_START_HERE_Demo_Programs_Browser.py b/DemoPrograms/Browser_START_HERE_Demo_Programs_Browser.py
index 0f8fcbbe..2c99ffae 100644
--- a/DemoPrograms/Browser_START_HERE_Demo_Programs_Browser.py
+++ b/DemoPrograms/Browser_START_HERE_Demo_Programs_Browser.py
@@ -5,6 +5,8 @@ import mmap, re
 import warnings
 import PySimpleGUI as sg
 
+
+
 """
     PySimpleGUI Demo Program Browser
 
@@ -329,6 +331,7 @@ def window_choose_line_to_edit(filename, full_filename,  line_num_list):
     while True:
         event, values = window.read()
         if event in ('Cancel', sg.WIN_CLOSED):
+            line_chosen = None
             break
         # At this point we know a line was chosen
         line_chosen = event[1]
@@ -443,8 +446,8 @@ def make_window():
 
     options_at_bottom = sg.pin(sg.Column([[sg.CB('Verbose', enable_events=True, k='-VERBOSE-'),
                          sg.CB('Show only first match in file', default=True, enable_events=True, k='-FIRST MATCH ONLY-'),
-                         sg.CB('Find ignore case', default=True, enable_events=True, k='-IGNORE CASE-'),
-                         sg.T('<---- NOTE: Only the "Verbose" setting is implemented at this time')]], pad=(0,0), k='-OPTIONS BOTTOM-'))
+                         sg.CB('Find ignore case', default=True, enable_events=True, k='-IGNORE CASE-')]],
+                                         pad=(0,0), k='-OPTIONS BOTTOM-'))
 
     choose_folder_at_top = sg.pin(sg.Column([[sg.T('Click settings to set top of your tree or choose a previously chosen folder'),
                                        sg.Combo(sorted(sg.user_settings_get_entry('-folder names-', [])), default_value=sg.user_settings_get_entry('-demos folder-', ''), size=(50, 1), key='-FOLDERNAME-', enable_events=True, readonly=True)]], pad=(0,0), k='-FOLDER CHOOSE-'))
@@ -497,10 +500,13 @@ def main():
                     full_filename, line = window_choose_line_to_edit(file, find_in_file.file_list_dict[file][0], find_in_file.file_list_dict[file][1])
                 else:
                     full_filename, line = get_file_list_dict()[file], 1
-                sg.cprint(f'Editing using {editor_program}', text_color='white', background_color='red', end='')
-                sg.cprint('')
-                sg.cprint(f'{full_filename}', text_color='white', background_color='purple')
-                sg.execute_editor(full_filename, line_number=int(line))
+                if line is not None:
+                    sg.cprint(f'Editing using {editor_program}', text_color='white', background_color='red', end='')
+                    sg.cprint('')
+                    sg.cprint(f'{full_filename}', c='white on purple')
+                    sg.execute_editor(full_filename, line_number=int(line))
+                else:
+                    sg.cprint('Editing canclled')
         elif event == 'Run':
             sg.cprint('Running....', c='white on green', end='')
             sg.cprint('')
@@ -639,5 +645,18 @@ if __name__ == '__main__':
 
     icon = b'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'
 
-
+if __name__ == '__main__':
+    try:
+        version = sg.version
+        version_parts = version.split('.')
+        major_version, minor_version = int(version_parts[0]), int(version_parts[1])
+        if major_version < 4 or minor_version < 35:
+            sg.popup('Warning - Your PySimpleGUI version is less then 4.35.0',
+                     'As a result, you will not be able to use the EDIT features of this program',
+                     'Please upgrade to at least 4.35.0',
+                     f'You are currently running version:',
+                     sg.version,
+                     background_color='red', text_color='white')
+    except Exception as e:
+        print(f'** Warning Exception parsing version: {version} **  ', f'{e}')
     main()
\ No newline at end of file