Ziyu Duan

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About Ziyu Duan

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  1. I downloaded this app from your website, not the app store. Everytime I open any PDF document, it firstly shows duplicated app loading at the dock. Then a pop-up window says this app is loading. However, there is no such problem for app downloaded from the app store. I once uninstalled it and re-obtained it from app store, I found out the problem was solved, yet, the one from app store didn't show the option where I could enter my registered code. Now I know I must use the one downloaded from the website, as I have purchased it there. So why does this error occur? Cheers:)