THE SPECIFIED ACCOUNT ALREADY EXISTS
on both the MSI and EXE versions of their installer on Windows 10.
After running this CAB file and clicking the THE PROBLEM IS: INSTALL, the tool listed a large number of programs I had installed including the PULSE INSTALLER, twice. I selected one PULSE INSTALLER and let the tool complete, then ran the tool again and selected the other PULSE INSTALLER. After that the install completed without incident.