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  1. AcroPDFImpl64.dll crashes when PDF is accessed via ActiveX/Webbrowser Control x64

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    5 comments  ·  Acrobat Reader for Windows and Mac » Other  ·  Admin →
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    Bernhard Küpper commented  · 

    Windows 10 (x64) 20H2 with 2022-05 Cumulative Updates installed

    Adobe Acrobat Reader DC (2022.001.20117, 64-bit)

    I have a simple WinForms form where I added the Adobe PDF Reader COM component. It just initializes the component and loads a PDF. When I build in x86, the PDF is shown. When I build in x64, the application crashes with:

    System.BadImageFormatException: An attempt was made to load a program with an incorrect format. (Exception from HRESULT: 0x8007000B)
    at System.Windows.Forms.SafeNativeMethods._TrackMouseEvent(TRACKMOUSEEVENT tme)
    at System.Windows.Forms.Control.HookMouseEvent()
    at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
    at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

    I have enable debugging for Acrobat and captured the logs with DebugView for both architectures (see attached files x86.log and x64.log).

    How can I make x64 work?

    Thanks,

    Bernhard