She doesn't seem to have the experience to make it successful (either the ability to run it or hire) and you didn't have the time to run it either, given that, the company halting is almost a given as with any sole proprietorship when the founder suddenly dies
These are both good points. I sold my company a year or two after this and got into a new venture shortly after. I was looking for something different and could have made time to maintain the current company and even get new clients.