ESS Base Images have been moved from "Product Selector" menu drop down IBM Spectrum Scale Raid to IBM Elastic Storage Server as of version 5.0.0. Fix Downloads are available at:

https://w3pre-fix.stg.eventsgslb.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Elastic+Storage+Server+(ESS)&release=5.0.0&platform=All&function=all