I assume you are saying that after a WordPress update, WordPress files were quarantined? There was a known problem with the WordPress 5.4 Major update and BPS Pro AutoRestore|Quarantine. To fix the problem do the steps below.
Go to the WordPress > Dashboard menu > Updates page > click the Re-Install Now button.
Go to the BPS Pro > Setup Wizard page > run the Pre-Installation Wizard and Setup Wizard.
Go to the BPS Pro > Quarantine page > delete all of the WordPress files that are in Quarantine.