Title: Plugin and new user registration problem
Last modified: August 21, 2016

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# Plugin and new user registration problem

 *  [Elise Krohn](https://wordpress.org/support/users/elise-krohn/)
 * (@elise-krohn)
 * [12 years, 3 months ago](https://wordpress.org/support/topic/plugin-and-new-user-registration-problem/)
 * I have been getting unwanted new user registrations. When I try to login to the
   admin panel I get this error, which has never occurred before saying: ERROR: 
   Cookies are blocked or not supported by your browser. You must enable cookies
   to use WordPress.
    AND Warning: Cannot modify header information – headers already
   sent by (output started at /home/content/85/9088985/html/wp-includes/general-
   template.php:2460) in /home/content/85/9088985/html/wp-login.php on line 415
 * It seems someone installed a plugin that has shut down my access. Any advice?

The topic ‘Plugin and new user registration problem’ is closed to new replies.

## Tags

 * [can't login](https://wordpress.org/support/topic-tag/cant-login/)
 * [new-plugin](https://wordpress.org/support/topic-tag/new-plugin/)

 * 0 replies
 * 1 participant
 * Last reply from: [Elise Krohn](https://wordpress.org/support/users/elise-krohn/)
 * Last activity: [12 years, 3 months ago](https://wordpress.org/support/topic/plugin-and-new-user-registration-problem/)
 * Status: not resolved

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