احد يساعدني لمن ادخل ع المحاضره واضغط البنفسجي بعدين يطلع لي الشريط الاخضر اضغط عليه واسوي فتح يطلعلي هالكلام Adobe reader could not open join 13 jnlp because it is either not a supported file type or because the file has been damaged for example it was sent as an email attachment and wasn't corrrectly decoded