any body help me . dosto main nay laptop purchase kia aur kuch software instal kiye jo zrori thay aur pher avast instal kiya aur pher 1 year register key hasil ke but nakam raha avast instal propely nahi hoa aur aur na hi register wali jaga par key put in karnay ka pta chal saka aur main ne is tariqay sy apna system avast 1 sal ke liye register kiya tha ab mujay nahi pta ye latest version main kam nahi kar raha . plz help