You need to add registry for it. And why don't you implement it? Some other dlls did it. 2013/12/22, Nikolay Sivov <nsivov at codeweavers.com>: > --- > dlls/oleacc/main.c | 6 ++++++ > dlls/oleacc/oleacc.spec | 1 + > 2 files changed, 7 insertions(+) > > >