Cannot launch spyder

Hi everyone, I’ve tried to launch spyder from anaconda but I cannot. I get this problem:

QFSFileEngine::open: No file name specified
Traceback (most recent call last):
File “C:\Users\iacop\anaconda3\Scripts\spyder-script.py”, line 10, in
sys.exit(main())
~~~~^^
File “C:\Users\iacop\anaconda3\Lib\site-packages\spyder\app\start.py”, line 281, in main
mainwindow.main(options, args)
~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^
File “C:\Users\iacop\anaconda3\Lib\site-packages\spyder\app\mainwindow.py”, line 1443, in main
mainwindow = create_window(MainWindow, app, splash, options, args)
File “C:\Users\iacop\anaconda3\Lib\site-packages\spyder\app\utils.py”, line 360, in create_window
main.setup()
~~~~~~~~~~^^
File “C:\Users\iacop\anaconda3\Lib\site-packages\spyder\app\mainwindow.py”, line 692, in setup
internal_plugins = find_internal_plugins()
File “C:\Users\iacop\anaconda3\Lib\site-packages\spyder\app\find_plugins.py”, line 45, in find_internal_plugins
mod = importlib.import_module(entry_point.module)
File “C:\Users\iacop\anaconda3\Lib\importlib_init_.py”, line 88, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “”, line 1387, in _gcd_import
File “”, line 1360, in _find_and_load
File “”, line 1331, in _find_and_load_unlocked
File “”, line 935, in _load_unlocked
File “”, line 1027, in exec_module
File “”, line 488, in _call_with_frames_removed
File “C:\Users\iacop\anaconda3\Lib\site-packages\spyder\plugins\pylint\plugin.py”, line 25, in
from spyder.plugins.pylint.confpage import PylintConfigPage
File “C:\Users\iacop\anaconda3\Lib\site-packages\spyder\plugins\pylint\confpage.py”, line 16, in
from spyder.plugins.pylint.main_widget import (MAX_HISTORY_ENTRIES,
MIN_HISTORY_ENTRIES,
PylintWidget)
File “C:\Users\iacop\anaconda3\Lib\site-packages\spyder\plugins\pylint\main_widget.py”, line 94, in
class CategoryItem(QTreeWidgetItem):
…<42 lines>…
self.setIcon(0, icon)
File “C:\Users\iacop\anaconda3\Lib\site-packages\spyder\plugins\pylint\main_widget.py”, line 106, in CategoryItem
‘icon’: ima.icon(“convention”)
~~~~~~~~^^^^^^^^^^^^^^
File “C:\Users\iacop\anaconda3\Lib\site-packages\spyder\utils\icon_manager.py”, line 465, in icon
qta.load_font(‘spyder’, ‘spyder.ttf’, ‘spyder-charmap.json’,
~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
directory=self.resource[‘directory’])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\iacop\anaconda3\Lib\site-packages\qtawesome_init
.py", line 314, in load_font
return instance().load_font(prefix, ttf_filename, charmap_filename, directory)
~~~~~~~~~^^
File "C:\Users\iacop\anaconda3\Lib\site-packages\qtawesome_init
.py", line 162, in _instance
resource[“iconic”] = IconicFont(*BUNDLED_FONTS)
~~~~~~~~~~^^^^^^^^^^^^^^^^^
File “C:\Users\iacop\anaconda3\Lib\site-packages\qtawesome\iconic_font.py”, line 368, in init
self.load_font(*fargs)
~~~~~~~~~~~~~~^^^^^^^^
File “C:\Users\iacop\anaconda3\Lib\site-packages\qtawesome\iconic_font.py”, line 444, in load_font
self.charmap[prefix] = json.load(codes, object_hook=hook)
~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\iacop\anaconda3\Lib\json_init
.py", line 293, in load
return loads(fp.read(),
cls=cls, object_hook=object_hook,
parse_float=parse_float, parse_int=parse_int,
parse_constant=parse_constant, object_pairs_hook=object_pairs_hook, **kw)
File “C:\Users\iacop\anaconda3\Lib\json_init.py”, line 359, in loads
return cls(**kw).decode(s)
~~~~~~~~~~~~~~~~^^^
File “C:\Users\iacop\anaconda3\Lib\json\decoder.py”, line 345, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^
File “C:\Users\iacop\anaconda3\Lib\json\decoder.py”, line 363, in raw_decode
raise JSONDecodeError(“Expecting value”, s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

Do you have any idea?