designxdevelop on "[Plugin: BackWPup Free - WordPress Backup Plugin] Missing or not expected HTTP response headers"

I have this same issue and I am running SwiftSecurity on my WordPress install.

Missing or not expected HTTP response headers:
date: Sat, 19 Mar 2016 20:45:54 GMT
server: Apache
connection: close
content-type: text/html; charset=iso-8859-1