You are welcome :)

Yes, it is right. You need to use this button for sync bookmarks - https://nimb.ws/XcbBdm

Open about:addons and press on the Delete or Disable EverSync

Hello

Yes, please try to disable only EverSync - https://nimb.ws/yb8mYi

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А можно подробнее?

Hello

Please check - https://everhelper.desk.com/customer/en/portal/articles/2397810-why-am-i-getting-duplicates-of-my-bookmarks-in-google-chrome-and-mozilla-firefox-

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А можете скриншот показать и версию Хрома скажите.

Hello

Something deleted preview and bg. How do you clean system?

Hello

Can you send more details?

Hello

Do you mean this windows - https://everhelper.desk.com/customer/en/portal/articles/1178274-faq-fvd-speed-dial-for-google-chrome#16 ?