Title: Cannot modify header information
Last modified: September 26, 2020

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# Cannot modify header information

 *  Resolved [ronvil](https://wordpress.org/support/users/ronvil/)
 * (@ronvil)
 * [5 years, 7 months ago](https://wordpress.org/support/topic/cannot-modify-header-information-166/)
 * Help! I’m getting “cannot modify header information” error when clicking download
   links.
 * I get the following error:
 *     ```
       Warning: Cannot modify header information - headers already sent by (output started at /home1/wgnrr/public_html/index.php:5) in /home1/wgnrr/public_html/wp-content/plugins/download-monitor/src/CookieManager.php on line 56
   
       Warning: Cannot modify header information - headers already sent by (output started at /home1/wgnrr/public_html/index.php:5) in /home1/wgnrr/public_html/wp-content/plugins/download-monitor/src/DownloadHandler.php on line 650
   
       Warning: Cannot modify header information - headers already sent by (output started at /home1/wgnrr/public_html/index.php:5) in /home1/wgnrr/public_html/wp-content/plugins/download-monitor/src/DownloadHandler.php on line 650
   
       Warning: Cannot modify header information - headers already sent by (output started at /home1/wgnrr/public_html/index.php:5) in /home1/wgnrr/public_html/wp-content/plugins/download-monitor/src/DownloadHandler.php on line 650
   
       Warning: Cannot modify header information - headers already sent by (output started at /home1/wgnrr/public_html/index.php:5) in /home1/wgnrr/public_html/wp-content/plugins/download-monitor/src/DownloadHandler.php on line 650
   
       Warning: Cannot modify header information - headers already sent by (output started at /home1/wgnrr/public_html/index.php:5) in /home1/wgnrr/public_html/wp-content/plugins/download-monitor/src/DownloadHandler.php on line 650
   
       Warning: Cannot modify header information - headers already sent by (output started at /home1/wgnrr/public_html/index.php:5) in /home1/wgnrr/public_html/wp-content/plugins/download-monitor/src/DownloadHandler.php on line 650
   
       Warning: Cannot modify header information - headers already sent by (output started at /home1/wgnrr/public_html/index.php:5) in /home1/wgnrr/public_html/wp-content/plugins/download-monitor/src/DownloadHandler.php on line 65
       ```
   
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fcannot-modify-header-information-166%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 3 replies - 1 through 3 (of 3 total)

 *  [Harish Chouhan](https://wordpress.org/support/users/hchouhan/)
 * (@hchouhan)
 * [5 years, 6 months ago](https://wordpress.org/support/topic/cannot-modify-header-information-166/#post-13567389)
 * Hey [@ronvil](https://wordpress.org/support/users/ronvil/),
 * Can you please update the plugin and test again?
 *  Thread Starter [ronvil](https://wordpress.org/support/users/ronvil/)
 * (@ronvil)
 * [5 years, 6 months ago](https://wordpress.org/support/topic/cannot-modify-header-information-166/#post-13575216)
 * it’s working now. i needed to update the php, wordpress installation and the 
   plugin as well to get it to work.
 * thanks
 *  [Harish Chouhan](https://wordpress.org/support/users/hchouhan/)
 * (@hchouhan)
 * [5 years, 6 months ago](https://wordpress.org/support/topic/cannot-modify-header-information-166/#post-13613178)
 * Hey [@ronvil](https://wordpress.org/support/users/ronvil/),
 * Thanks for the update. I’m glad this is resolved.

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘Cannot modify header information’ is closed to new replies.

 * ![](https://ps.w.org/download-monitor/assets/icon-256x256.png?rev=3198936)
 * [Download Monitor](https://wordpress.org/plugins/download-monitor/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/download-monitor/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/download-monitor/)
 * [Active Topics](https://wordpress.org/support/plugin/download-monitor/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/download-monitor/unresolved/)
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 * 3 replies
 * 2 participants
 * Last reply from: [Harish Chouhan](https://wordpress.org/support/users/hchouhan/)
 * Last activity: [5 years, 6 months ago](https://wordpress.org/support/topic/cannot-modify-header-information-166/#post-13613178)
 * Status: resolved