This issue has likely not been a problem for many others if they've already got a different game installed that also had the June 2010 DirectX redistributable as an installation dependency.
SSF ERROR XAUDIO2CREATE INSTALL
When i go to install the SSF it comes up with: XAudio2Create()error. 401, SsfVerify failed, SSFAPIUNKNOWNPROFILE, RSCMST, OAC0, Content Server 7.5, KBA, BC-SRV-KPR-CS, SAP Content Server, Problem About this page This is a preview of a SAP Knowledge Base Article.
SSF ERROR XAUDIO2CREATE WINDOWS 8
This library is available in Program Files\Windows Kits\8.0\Lib\win8\um (installed with the Windows 8 SDK). I'll add games to the list as I test them. Ive also tried to run as administrator, repair my steam library, verify the game and even re-download it but non of those worked. XAudio2Create is not COM, it's a standard DLL export, so you do need to link with Xaudio2.lib. > Press the down arrow button to scroll to Paper. SSF is an accurate and highly compatible Sega Saturn emulator for Windows. > Press the down arrow button to scroll to Tray 1, then press the select button. > Press the down arrow button to scroll to Tray Settings, then press the select button. > With the printer in a Ready to Print state, press the Menu button. You can either burn the games and run them from the CD ROM drive or mount the images using a program like MagicDisc. Set the paper size to Auto on the operator panel. If you'd like to help here are some links: SSF Emulator. Also most emulators authors stay a way from new stuff for a lot of reasons.
SSF ERROR XAUDIO2CREATE UPGRADE
I'd suggest " C:\Users\\Downloads\DX9Redist" or similar. Run it, then when prompted, choose somewhere to extract this.Looking further I downloaded the June 2010 DX9 runtime. Thanks to leading me down the right path at my thread on the Steam game hub discussions I've resolved this.