Error on update.php

Hello! When I go to Dashboard, it show me error below on top.

Warning: An unexpected error occurred. Something may be wrong with www.remarpro.com or this server’s configuration. If you continue to have problems, please try the support forums. (WordPress could not establish a secure connection to www.remarpro.com. Please contact your server administrator.) in /my-directory/wp-includes/update.php on line 112.

After I refreshed the page, this message was gone. What should I do?
(this is local installation of WP)