On Monday 27 February 2006 15:48, Michael Gogins wrote: > It's probably the way I wrote the LoadLibrary call. It may need to be #ifdef'd for > OS version. I'll take a look at it in a few days. No, the LoadLibrary call does open _CsoundVST.dll. However, the library name in frontends/CsoundVST/_CsoundVST.def is _CsoundVST without an extension, and that is probably incorrect and is the reason why the system looks for _CsoundVST at run-time when loading CsoundVST.exe.