借標題發問…
之前此波限時特價的時候有跟上，立刻買了
但是最近播放音訊解碼是AC3的影片，都會出現要我輸入Apple ID之密碼以回復購買。
http://i.imgur.com/MgPMiHg.jpg
當然輸入就好了，可是只要每次要播放就要輸入一次，覺得很麻煩…
也有人遇到這問題嗎？有解決的辦法嗎？
P.S google到nPlayer官方是說輸入過就不會再出現了，可是我是只要每播放一次，就會問一次…還是其實他就是這意思，所以無解？
（The version 3.0 or above of nPlayer checks the app receipt when you play a file. The message is shown when nPlayer can't check the app receipt.
Please restore the receipt. When you receive that message, please select restore button. Then nPlayer will restore the receipt. If the restore is succeed, you can use with no that message.）