WordPress Speed Up Service | WordPress Website Maintenance Packages Reply To: “Save Draft” and “Preview” malfunctioning., by t-p To rule out any theme/plugins conflict, have you tried: – deactivating ALL (yes all) plugins temporarily to see if this resolves the problem (plugin functions can interfere). If this works, re-activate them individually (one-by-one) to find the problematic plugin(s). – switching to the unedited default Theme (Twenty Seventeen, etc.) for a moment using the WP dashboard to rule out any theme-specific issue (theme functions can interfere like plugins). – Alternately, If you can install plugins, install Health Check. On the troubleshooting tab, you can click the button to disable all plugins and change the theme for you, while you’re still logged in, without affecting normal visitors to your site. Reply To: “Save Draft” and “Preview” malfunctioning.