Important: Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

SetProcessDpiAwareness



  • Hi, i am currently met a trouble about API error: "SetProcessDpiAwareness(2) failed: COM error 0xffffffff80070005 (Unknown error 0x0ffffffff80070005), using 2"
    My system is window 10, Qt 5.9. Can some one help me with this, i have been struggledwith this for a week. Thank for read this topic


  • Lifetime Qt Champion

    @l0511 Can you provide more information? What is your app doing? Do you call SetProcessDpiAwareness or does it come from somewhere in Qt? Does your app misbehave because of this? Did you try with a more recent Qt version?


Log in to reply