Microsoft has ended support for Windows Phone 8.1

Microsoft has ended support for Windows Phone 8.1 since July 11, 2017.
support.microsoft.com/en-us/help/4001737...-of-support-for-2017
We will abandon support to Windows phone 8.1 on October 1st.
We will release minor fixes only on demand but only until 31st Dec and only after deep investigation made by our dev team.

For special requests, please open a support ticket here www.radaeepdf.com/support .