What happend ?

[KittisakPh]

uv run camoufox fetch
Downloading model definition files...
Error downloading fingerprint-network.zip: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1032)>
Error downloading fingerprint-network.zip: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1032)>
Error downloading fingerprint-network.zip: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1032)>
Error downloading fingerprint-network.zip: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1032)>
Error downloading fingerprint-network.zip: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1032)>
Downloading model definition files...
Error downloading input-network.zip: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1032)>
Error downloading input-network.zip: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (ssl.c:1032)>
Error downloading input-network.zip: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (ssl.c:1032)>
Error downloading input-network.zip: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (ssl.c:1032)>
Traceback (most recent call last):
File "", line 198, in run_module_as_main
File "", line 88, in run_code
File "D:\zyncker\node-py.venv\Scripts\camoufox.exe_main.py", line 4, in
from camoufox.main import cli
File "D:\zyncker\node-py.venv\Lib\site-packages\camoufox_init.py", line 2, in
from .async_api import AsyncCamoufox, AsyncNewBrowser
File "D:\zyncker\node-py.venv\Lib\site-packages\camoufox\async_api.py", line 15, in
from .utils import async_attach_vd, launch_options
File "D:\zyncker\node-py.venv\Lib\site-packages\camoufox\utils.py", line 12, in
from browserforge.fingerprints import Fingerprint, Screen
File "D:\zyncker\node-py.venv\Lib\site-packages\browserforge\fingerprints_init.py", line 5, in
from browserforge.headers import Browser
File "D:\zyncker\node-py.venv\Lib\site-packages\browserforge\headers_init.py", line 5, in
from .generator import Browser, HeaderGenerator
File "D:\zyncker\node-py.venv\Lib\site-packages\browserforge\headers\generator.py", line 80, in
class HeaderGenerator:
...<470 lines>...
)
File "D:\zyncker\node-py.venv\Lib\site-packages\browserforge\headers\generator.py", line 86, in HeaderGenerator
input_generator_network = BayesianNetwork(DATA_DIR / "input-network.zip")
File "D:\zyncker\node-py.venv\Lib\site-packages\browserforge\bayesian_network.py", line 103, in init
network_definition = extract_json(path)
File "D:\zyncker\node-py.venv\Lib\site-packages\browserforge\bayesian_network.py", line 288, in extract_json
with zipfile.ZipFile(path, 'r') as zf:
~~~~~~~~~~~~~~~^^^^^^^^^^^
File "C:\Users\Admin\AppData\Roaming\uv\python\cpython-3.13.9-windows-x86_64-none\Lib\zipfile_init.py", line 1367, in init
self.fp = io.open(file, filemode)
~~~~~~~^^^^^^^^^^^^^^^^
FileNotFoundError: [Errno 2] No such file or directory: 'D:\zyncker\node-py\.venv\Lib\site-packages\browserforge\headers\data\input-network.zip'

[julien-duponchelle]

Are you running an HTTP proxy ? It's smell like something did Man In the Middle while you where downloading the file

[xzer122]

Something happened with certificates. I fixed it by adding this into my code
ssl._create_default_https_context = lambda: ssl.create_default_context( cafile=certifi.where() )``