Crolug

Indeed, it is not. But I guess this plugin is not actively maintained anymore.

Does it make a difference that my breadcrumbs are added as a modular?

> It looks like the certificate list included with OneLauncher is out-of-date or incomplete. As a workaround, I replaced it with a symlink to my system certificate list, and was...

Thank you. Works perfectly now! 😎 Let's hope SSG will not come up with some crazy authentication ideas anytime soon.

BitDefender also blocks OneLauncher.exe, puts it into quarantine and blocks network access in its firewall.

Adding onelauncher.exe to the exceptions in Bitdefender resolved it for me.