Applies to- El Capitan (10.11.X), Sierra (10.12.X)

 

Summary:

" Setup Failure"- appears while installing QuarkXPress  version 2017,2016 and 2015.

 

Solution:

Navigate to the following locations and delete the mentioned files:

HDD >  Library > LaunchDaemons > com.quark.QXPHelper.plist

HDD >  Library > LaunchDaemons > com.quark.quarkupdate.quhelper.plist

HDD >  Library > PrivilegedHelperTools > com.quark.QXPHelper

HDD >  Library > PrivilegedHelperTools > com.quark.quarkupdate.quhelper

Restart your computer and install QuarkXpress once again.

This would resolve the Problem.