Qt Designer won't run



  • I'm trying to start a designer project on 64bit Windows 8.1. I can access Qt4 in python, but the designer.exe which is part of this library will not launch, either from the command prompt or from its location in python 3.5. Is there anything I can do to figure out what's causing this error? Thanks in advance for any help you can provide.


  • Qt Champions 2016

    Hmm
    so if you go to
    C:\Qt\5.7\mingw53_32\bin ( or where its installed)
    and click designer.exe, nothing happens?

    If I should guess, it maybe be missing its support Qt dlls?

    alt text

    You can check with
    http://www.dependencywalker.com/



  • Thank you for the useful link. The files DependencyWalker says I'm missing are
    API-MS-WIN-CORE-KERNEL32-PRIVATE-L1-1-1.DLL,
    APS-MS-WIN-CORE-PRIVATEPROFILE-L1-1-1.DLL,
    API-MS-WIN-SERVICE-PRIVATE-L1-1-1.DLL,
    API-MS-WIN-CORE-SHUTDOWN-L1-1-1.DLL,
    EXT-MS-WIN-NTUSER-UICONTEXT-EXT-L1-1-0.DLL.
    I'm getting conflicting answers on how to install these on a Windows 8.1 64 bit system. I already
    have several versions of visual studio and I'm not sure which ones, if any, I should reinstall to fix the missing files.


  • Moderators

    @Miton7 How did you install it? On my machine it starts just fine.


  • Qt Champions 2016

    @Miton7
    Hi.
    Missing those is normal/not what we are looking for. please dont try to install them.
    I was talking about anything Qt5XXX.DLL. Designer is Qt program and needs
    Qt runtime to run. So i was wondering if such were missing.
    Seems not? so it something else.

    As @jsulm asks, can you tell how yo u installed it ?
    That might gives hints :)


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