Downloader recently with YT stopped working

[Elroy67]

Your question

Since the beginning of the year - 2025 I have been unable to download videos on my YT Premium account.
Still works on other sites.
Perhaps there's a setting that is off after Firefox update?

Addon & CoApp version and details

version: 9.1.0.44
target: mozilla
channel: stable
lang: en-US
coapp: {"found":true,"path":"C:\Program Files\DownloadHelper CoApp\vdhcoapp.exe","version":"2.0.19","new_version":false}
license: {"accepted":true,"email":"","key":"5d74abb6d0d54928"}
platform: x86-64 win
UA: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0
{
"valid_license_message_has_been_displayed": true,
"used_history_button": true,
"download_directory": "C:\DOWNLOAD",
"never_show_no_incognito_msg_again": true,
"view_options": {
"all_tabs": false,
"low_quality": false,
"sort_by_status": true,
"sort_reverse": false,
"show_button_clean": true,
"show_button_clean_all": false,
"show_button_convert_local": true,
"hide_downloaded": false
},
"use_sidebar": true,
"open_count_store": 5,
"successfull_dl": 1,
"download_history": {
"__serializer_tag": "map",
"__serializer_value": []
}
}

firefox 134.0 (64-bit)

[GrampaWildWilly]

You should be participating in #1074.