Whenever we make an update or new fixes we send you a link to download and install the latest version of WPBackItUp, you can download the updated version of WPBackItUp from this link.
https://wordpress.org/plugins/wp-backitup/
Login to your WordPress dashboard , Navigate to Plugins then Deactivate and Delete the old version of WPBackItUp currently installed (don’t worry your backups wont be deleted).
Then Click the “Add New” button at the top of the “Plugins” page and Select “Upload”.
Upload the file/ folder " wp-backitup 1.12.3.4 " usually it is in your Downloads folder and Click the "Install Now" button.
Activate the WPBackItUp plugin, when you go to your Dashboard it should say the new version
NOTE: for this article we updated to WPBackItUp version 1.14.5