WP PageFixUpload and overwrite your custom 404 file.
It allows you to show page or Not Found error message which is a Hypertext Transfer Protocol (HTTP) standard response code to indicate that the client was able to communicate with the given server.
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Sometimes a slight tweak can make your website inaccessible. However, WP PageFix help you to generate a backup and also upload and overwrite your own Custom 404 file.
Shows page or Not Found error message.
Every time you click on Backup 404, it will overwrite the existing 404_PageFix_Backup.php
Gets you an overwritten version of your Custom 404 file.