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Forum Update on Monday, May 27th 2025

Cann't start Qt Design Studio after upgrade, what's the problem?

Scheduled Pinned Locked Moved Unsolved Qt Design Studio
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  • W Offline
    W Offline
    wvqigescy
    wrote on last edited by
    #1

    First time started, nothing happened.

    And second time start it, a dialog show :
    The last time you started Qt Design Studio, it seems to have closed because of a problem with the "StudioWelcome" plugin. Temporarily disable the plugin?
    with three buttons Disable Plugin | show Details... | Continue. But no one can enter to the main window .

    I tried uninstall and reinstall , still has this problem.

    My OS is Windows 10 LTSC 2021, and before upgraded, is works well.

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    • V Offline
      V Offline
      Vikas Pachdha
      wrote on last edited by
      #2

      It seems like the welcome plugin is crashing. If the disabling is not working then try removing the plugin. .../Qt Design Studio.app/Contents/PlugIns/libWelcome.dylib

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      • T Offline
        T Offline
        Thomas Hartmann
        wrote on last edited by
        #3

        As far as I know this is the only report of such an issue.
        The only reason for this I can think of is the update from Qt 6.3 to Qt 6.4. Qt Design Studio 3.9 now uses Qt 6.4, but there is as mentioned no known issue related to this.
        The changes to the welcome page itself were quite minimal and should not be triggered on startup.
        Did disabling the Welcome plugin solve this issue?

        Maybe this is related to the download of the latest example thumbnails. You can disable this by adding this to your qtdesignstudio.ini file:

        QML/Designer/EnableWelcomePageDownload= false

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