Salam to All

Bhai jaan mera masala yeh hai mai nay yahoo ko install kiya aur woh instaal bhi ho laikin woh open nahi hota aur jab mai nay us Add remover Programm say Remover kernay ko koshish ki lakin woh phir bhi remover naho reha hai

aur jab mai apnay PC ko reboote kerta ho tu samnay aik yahoo ka error a jata hai

please help me