Vscapi.dll //top\\ -

on older systems). If you have a backup of the file, you can manually copy it here, though reinstalling the software is safer. Perform a Selective Startup

In some SDK installations, it may appear under: vscapi.dll

Open the System Configuration tool by typing msconfig in the Start menu. on older systems)

for getting this legacy DLL to work on modern Windows systems, or perhaps a more technical deep-dive into the MIDI codes it processes? you can manually copy it here