Title: Server Errors after activating the plugin
Last modified: February 1, 2017

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# Server Errors after activating the plugin

 *  [daneilcheunghk](https://wordpress.org/support/users/daneilcheunghk/)
 * (@daneilcheunghk)
 * [9 years, 4 months ago](https://wordpress.org/support/topic/server-errors-after-activating-the-plugin/)
 * Hello, after activating the plugin on WP-admin backend, first the whole page 
   went blank. After that a html500 error was shown, and then the website went extremely
   slow.
 * I cannot even log-in into my wp-admin backend, as the “redirect_to=http%3A%2F%
   2F” message was shown and kept me re-looping the log-in page. I have tried to
   delete the htaccess, deactivated ALL plugins in FTP, and also removing the “WP
   Encrypt” in FTP, but still fails to restore the site.
 * In addition, I found that all of my other sites under the same server got the
   problem for “redirect_to=http%3A%2F%2F” message.
 * Would like to seek help, many thanks!!

The topic ‘Server Errors after activating the plugin’ is closed to new replies.

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 * 0 replies
 * 1 participant
 * Last reply from: [daneilcheunghk](https://wordpress.org/support/users/daneilcheunghk/)
 * Last activity: [9 years, 4 months ago](https://wordpress.org/support/topic/server-errors-after-activating-the-plugin/)
 * Status: not resolved