Uninstall game using add/remove programs...
delete the SFC 3 folder out of the Program Files\Activision folder
Reinstall SFC 3, install Nemesis add on pack and then patch using the Beta Patch for your region (UK patch for any country outside US and Germany),
Use the Beta patch only, Do not use the SFC3DirectX9Fix Patch on top of Beta Patch.. this will cause errors like above..
Install or reinstall Direct X 9, do not install Direct X 8.1 on top of Direct X 9
Update Video card, sound card drivers from the chip manufacturer web site (NVidia, Soundblaster, Intel, Matrox, ATI, etc)
Try game again....