I wonder if there's a market for something which automatically sandboxes ActiveX controls. Isn't there a YC company which is doing something for applications wh

I wonder if there's a market for something which automatically sandboxes ActiveX controls. Isn't there a YC company which is doing something for applications which might be able to be reused? EDIT: Of course, doing the marketing to convince people they need it is probably more challenging than the technical work.