Ok. then create video of your problem for us. Also tell  us your account login.

Can we try Team Viewer session?

You can install old XUL version 23.3.1, but you should use Firefox 56 or eariler one.

https://addons.mozilla.org/en-US/firefox/addon/fvd-speed-dial/versions/

Ok, so it's MacOS 10.13.6.

Could you also show us what happens in Firefox Console when the problem happens: Cmd + Option + K

Make sure that you have this option turned on:

Widgets are not supported anymore.

Hello!

We're very very sorry for such inconvenience. Steves06, we're still trying to repeat the problem you have.

Dear users, we also need some information from you as we get few report about such behavior. Please contact me at gleb.khegay@gmail.com

We'll try to research each case you have and fix it.

Please, describe your suggestion in details. What EverSync functions do you mean?

If you logged in Nimbus Notes (another account) - then it will be the main (current) account for all our services: EverSync/Speed Dial, Live Start Page, Nimbus Note. It's one eco-system.

Для каждого региона используется свой поисковик. Для US и европы - Yahoo, для СНГ - Яндекс.

Используйте аддон Live Start Page https://chrome.google.com/webstore/detail/live-start-page-living-wa/ocggccaacacpienfcgmgcihoombokbbj?hl=en

где Вы сможете вручную выбрать себе поисковик, который больше нравится.

Did you use sign in with Google?

When does EverSync switches to another account? After you change it in Gmail?