Like most Windows applications, Worksoft Certify client needs write access to the Application data folder for the user.Under recommended settings from Citrix, the application data folder should be writable and maintained across the Citrix farm for each Citrix user using the Roaming profile. However, there are many other factors to consider when setting up the Profile Type in Citrix.For more information, please consult the Best practice for Citrix user profile management at http://support.citrix.com/article/CTX110351 or http://blogs.citrix.com/2012/02/11/citrix-profile-management-and-vdi-%e2%80%93-doing-it-right/