Fatal error: require_once(): Failed opening required mscan-ajax-functions.php – White Screen

[R Thomas]

All my sites have a white screen and are unable to log into the backend, until the BPS was disabled.  Received this error message.  How can I get the BPS back up and keep the site working?  Thank you

Warning: require_once(/home/xxxxx/public_html/googlejets.com/wp-content/plugins/bulletproof-security/includes/mscan-ajax-functions.php): failed to open stream: No such file or directory in /home/xxxxx/public_html/googlejets.com/wp-content/plugins/bulletproof-security/bulletproof-security.php on line 83

Fatal error: require_once(): Failed opening required '/home/xxxxx/public_html/googlejets.com/wp-content/plugins/bulletproof-security/includes/mscan-ajax-functions.php' (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/xxxxx/public_html/googlejets.com/wp-content/plugins/bulletproof-security/bulletproof-security.php on line 83

[AITpro Admin]

I believe the problem is that your web host is seeing the BPS Pro MScan malware checking code/filters as malicious and is deleting or nulling this MScan file that contains the BPS Pro MScan malware checking code: /bulletproof-security/includes/mscan-ajax-functions.php

Code line 83 in the /bulletproof-security/bulletproof-security.php file

// MScan AJAX functions
require_once( WP_PLUGIN_DIR . '/bulletproof-security/includes/mscan-ajax-functions.php' );

As a workaround for now do these steps:

1. Use FTP or your web host control panel file manager, open and edit the /bulletproof-security/bulletproof-security.php file.
2. Comment out Code line 83 in the /bulletproof-security/bulletproof-security.php file with 2 forward slashes as shown below.

// MScan AJAX functions
//require_once( WP_PLUGIN_DIR . '/bulletproof-security/includes/mscan-ajax-functions.php' );

We are currently in the process of figuring out the best way to deal with this issue/problem permanently and will have a permanent solution in the next BPS Pro version release.

Reference forum topic:  https://forum.ait-pro.com/forums/topic/mscan-troubleshooting-questions-problems-and-code-posting/#post-34091

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