Doston meine kuch novels ek website se download kiye... jin ka extension ".asd" the.. un novels ko chalane k liye "asd viewer" chahiye hota hai... meine usi website se asd viewer download kiya...but mere pas windows 7, 64 bit os system hai...jis per ye nahi chalraha...koi hal batae k mein ab .asd extension ki file kese open karon...please help