Unable to launch Anaconda-Navigator after restarting the computer

When I restart my computer, I click the Anaconda-Navigator, but the app does not work. Then I input anaconda-navigator --reset on the anaconda prompt and get as follows:

D:\Program\Python\Anaconda\Lib\site-packages\binstar_client_init_.py:16: UserWarning: pkg_resources is deprecated as an API. See Package Discovery and Resource Access using pkg_resources - setuptools 80.9.0 documentation . The pkg_resources package is slated for removal as early as 2025-11-30. Refrain from using this package or pin to Setuptools<81.
from pkg_resources import parse_version as pv
Traceback (most recent call last):
File “D:\Program\Python\Anaconda\Scripts\anaconda-navigator-script.py”, line 6, in
from anaconda_navigator.app.main import main
File “D:\Program\Python\Anaconda\Lib\site-packages\anaconda_navigator\app\main.py”, line 24, in
from anaconda_navigator.app.start import start_app # noqa: E402
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “D:\Program\Python\Anaconda\Lib\site-packages\anaconda_navigator\app\start.py”, line 32, in
from anaconda_navigator.widgets.main_window import MainWindow
File “D:\Program\Python\Anaconda\Lib\site-packages\anaconda_navigator\widgets\main_window_init_.py”, line 68, in
from . import whats_new_components
File “D:\Program\Python\Anaconda\Lib\site-packages\anaconda_navigator\widgets\main_window\whats_new_components.py”, line 20, in
from anaconda_navigator.widgets.web import whats_new as whats_new_dialogs
File “D:\Program\Python\Anaconda\Lib\site-packages\anaconda_navigator\widgets\web\whats_new.py”, line 17, in
from qtpy import QtWebEngineWidgets
File “D:\Program\Python\Anaconda\Lib\site-packages\qtpy\QtWebEngineWidgets.py”, line 64, in
from PySide6.QtWebEngineCore import (
…<4 lines>…
)
ModuleNotFoundError: No module named ‘PySide6.QtWebEngineCore’

What should I do?
Here are some basic infomation about my computer
Windows 11 专业工作站版,25H2,
Anaconda 2025.6.1

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