I've never used the LFG selection, so bear with me on this.
You might need to first deselect the Server Save option (presuming that you're using it) and uncheck the LFG option for each affected character, then log out and go find the hidden RoM data folder on your computer. You will need to have gone into Control Panel/Folder Options and enabled "Show Hidden folders, files, and drives" first.
From there, use File Explorer to navigate to C:\Users\{account name}\My Documents\Runes of Magic, and find the character folders for the characters which have been affected. Delete those folders.
Log in on each of those characters and allow the server to rebuild the folders. Once you've logged in on the first character, re-enable Server Save, if you were using it in the first place.
This should fix the issue. In any event, let me know here what the outcome is.
I wish your suggestion would help but: I don't ever use Server Save; I always uncheck LFG as soon as I log on since it automatically is checked upon login & make sure that it is unchecked before I log off, but when I relog again, the box is checked again even though I had logged off while having it unchecked.
Rebuilding my character folders doesn't fix the problem. I have the same named characters on more than 1 server - same named characters use the same folder regardless of what server they are on - yet only 1 server is affected & the other is not.
Updated RoM on a laptop that I hadn't played RoM on since like last winter (my problem started in April of this year), hoping that it could somehow pull info from last year & override my problem but it didn't work either... ugh.
Seems like regardless of what I do, the box is always checked when I log onto my affected characters LOL.
Not to also mention that I used to have the problem where I would uncheck the box but while I'm still online, all the sudden like 30 mins later I would start receiving goldseller spam whispers again & opening the Search function again to look at what my status is, it has magically mysteriously rechecked itself without me even knowing LOL. At least that hasn't happened again in months lol.
I know those goldseller spam blocker addons exist but I'm trying to limit my amount of addons & plus I don't want my name appearing on the Search list, makes no sense why only some characters are affected & others are not.
Seems like once you check that Search box, your character name is forever glitched onto there regardless of how many times you try to remove yourself from it =(