Just did another one after making sure that the disable XML-RPC feature was disabled in the v.5.0.2 plugin:
-------Start error warnings-----------
Disabling Maintenance mode…
Warning: An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the support forums. (WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.) in /"path-hidden"/wp-includes/update.php on line 120
Warning: An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the support forums. (WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.) in /"path-hidden"/wp-includes/update.php on line 272
Warning: An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the support forums. (WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.) in /"path-hidden"/wp-includes/update.php on line 417
-----------End error warnings-----------
Note that I edited out the exact path on the server above /wp-includes/