The SDM and the HP Early Evalution Program (EEP) are the exact same application. Which one is installed depends on passing a command-line switch to the installer (setup.msi): no switches = SDM, switches = EEP. This is why we find it puzzling that SDM updated and installed EEP.
You can revert EEP to run as SDM, but rather than explaining all the manual tweaks that need to be performed, we would recommend the following:
Delete any files and subdirectories under this directory: C:\ProgramData\HP SoftPaq Download Manager.