Navigator crash at start: 'MainWindow' object has no attribute 'tab_home'

Product Help Anaconda Navigator
1

navigator won’t start, it just crashes:

2025-01-17 15:52:47,300 - ERROR __init__.global_exception_logger:20
'MainWindow' object has no attribute 'tab_home'
Traceback (most recent call last):
  File "c:\Users\me\miniforge3\envs\gui\Lib\site-packages\anaconda_navigator\widgets\main_window\__init__.py", line 318, in <lambda>
    lambda *signal_args, **signal_kwargs: setup_watcher.signal_received(
                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "c:\Users\me\miniforge3\envs\gui\Lib\site-packages\anaconda_navigator\utils\signal_watcher.py", line 54, in signal_received
    self.__callback(*self.__callback_args, *self.__callback_kwargs)
  File "c:\Users\me\miniforge3\envs\gui\Lib\site-packages\anaconda_navigator\widgets\main_window\__init__.py", line 427, in initial_setup
    self.select_environment(prefix=self.config.get('main', 'default_env'))
  File "c:\Users\me\miniforge3\envs\gui\Lib\site-packages\anaconda_navigator\widgets\main_window\__init__.py", line 1049, in select_environment
    self.reset_conda_data()
  File "c:\Users\me\miniforge3\envs\gui\Lib\site-packages\anaconda_navigator\widgets\main_window\__init__.py", line 1054, in reset_conda_data
    self.update_status(action=msg, value=0, max_value=0)
  File "c:\Users\me\miniforge3\envs\gui\Lib\site-packages\anaconda_navigator\widgets\main_window\__init__.py", line 1308, in update_status
    if self.tab_home:
       ^^^^^^^^^^^^^
AttributeError: 'MainWindow' object has no attribute 'tab_home'. Did you mean: 'tabShape'?

installed into a brand-new conda and new environment