Connection problem

[menef0124]

Trying to use the exe to downgrade my Switch by using ChoiDujour.exe --keyset=prod.keys fw and after a while, I get this:
`ChoiDujour 1.1.0 by rajkosto
uses hactool by SciresM (https://github.com/SciresM/hactool)
visit https://switchtools.sshnuke.net for updates and more Switch stuff!

Using source firmware files from folder fw
Found 106 meta and 105 data NCAs in C:\Users<my username>\Desktop\ChoiDujour110\fw
Package contains 'NX' firmware version '6.1.0' (6.1.0.0) = NintendoSDK Firmware for NX 6.1.0-4.0(hash : 3e478da6353b192c36490f4aa34df0d10d575146)
Using TitleID 010000000000081b for Normal firmware package
Using TitleID 010000000000081c for SAFE firmware package
Decompressing FS.kip1 from TitleID 010000000000081b hash 330553f6b5fb55c4c2d7b736240276b3
Making a request to URL https://switchtools.sshnuke.net/firmware/fs_patches.json
Traceback (most recent call last):
File "ChoiDujour.py", line 646, in
File "ChoiDujour.py", line 166, in fetch_url_bytes
File "urllib2.py", line 154, in urlopen
File "urllib2.py", line 429, in open
File "urllib2.py", line 447, in _open
File "urllib2.py", line 407, in _call_chain
File "urllib2.py", line 1241, in https_open
File "urllib2.py", line 1198, in do_open
urllib2.URLError: <urlopen error [Errno 10054] An existing connection was forcibly closed by the remote host>
[2396] Failed to execute script ChoiDujourr`
I've tried running cmd as admin with the same results.