https://forums.opera.com/topic/59351/get-rid-of-facebook-messanger-onopera-gx-permenantly/1?lang=en-US
Get rid of facebook messanger onOpera GX permenantly | Opera forums
Dec 20, 2022 - I noticed an issue lately. So for starters I dont have a facebook account (and never will) so I wanted to turn off face book messager on opera GX. I went to...
get rid offacebook messangergxoperaforums
https://lists.ibiblio.org/sympa/arc/sm-discuss/2007-11/msg00052.html
sm-discuss - Re: [SM-Discuss] Disable DPMS permenantly - arc
smdiscussdisabledpmsarc