Why is my yew shrub dying and how can I save it?

Your yew shrub may be dying due to factors such as overwatering, poor soil drainage, pests, diseases, or inadequate sunlight. To save it, you can try adjusting its watering schedule, improving soil drainage, inspecting for pests and diseases, and ensuring it gets enough sunlight. Consulting with a local gardening expert may also provide specific advice for your situation.