Anno domini 2021 Mon, 4 Jan 19:48:09 -0600 J Leslie Turriff scripsit:
- Change the setting mentioned in your previous message back to
False, setting it as the default again, exiting Firefox and Thunderbird, then powering down or rebooting the system.
Follow these steps:
https://www.cb-net.co.uk/linux/debian-8-jessie-firefox-locked-preferences/
Nik