Loboto Chan @LCHAN

Has your default SL viewer been hijacked?
Well, you can fix that in regedit.
There are three or four entries you'll need to change, one per protocol.
Viewer name isnt really important, its mostly cosmetic.

>HOP:
VIEWER NAME: Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Classes\hop\shell\open - FriendlyAppName
APPLICATION LOCATION: Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Classes\hop\shell\open\command - Default

>Secondlife:
VIEWER NAME: Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Classes\secondlife\shell\open - FriendlyAppName
APPLICATION LOCATION: Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Classes\secondlife\shell\open\command - Default

>X-grid-info:
VIEWER NAME: Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Classes\x-grid-info\shell\open - FriendlyAppName
APPLICATION LOCATION: Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Classes\x-grid-info\shell\open\command - Default

>X-grid-location-info:
VIEWER NAME: Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Classes\x-grid-location-info\shell\open - FriendlyAppName
APPLICATION LOCATION: Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Classes\x-grid-location-info\shell\open\command - Default

Format of the 'default' link registry key is always:
"C:\Program Files\Singularity\SingularityViewer.exe" -url "%1"
%1 is always replaced with the url you are choosing to open

Today there is way too much drama in the box. I was looking for grid help, or conversation. So. If you want to remove "the box"... use greasemonkey/tampermonkey. Create a script for this site. Add...
// @require https://code.jquery.com/jquery-3.6.0.min.js
under 'grant' at the top.
THEN. add this:
(function() {
'use strict';

$( '.panel-heading:contains(" The Box ")' ).parent().remove();

})();