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Editorial Team
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Asked: 2026-06-04T23:54:25+00:00

my Qt application won’t launch from Qt Creator, however I can run the .exe

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my Qt application won’t launch from Qt Creator, however I can run the .exe directly from the release folder. Why is that ? I am totally lost here. In Qt Creator, I just get a message telling me that my application just crashed, with the code -1073741515.

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1 Answer

  1. Editorial Team

    Qt Creator must be pointing to the wrong dlls. You could reinstall the QtSDK and it should fix finding the runtime dlls in the IDE (Qt Creator).

    http://www.daniweb.com/…/ok-so-whats-error-1073741515-again

    On this post here they said they fixed it by updating the PATH in Qt. Here is the portion that gets prepended to my PATH variable as seen in the picture below:

    C:\QtSDK\mingw\bin;C:\QtSDK\Desktop\Qt\4.7.3\mingw\lib;C:\QtSDK\Desktop\Qt\4.7.3\mingw\bin;

    Here is a screenshot showing how to access that:

    enter image description here

    Another option is you could go into the QtSDK folder, find the bin folder for compiler and platform you are using and put it in the path for your system. Then Qt should be able to run the program just by finding the dlls in the system path.

    enter image description here

    Possibly the shortest option, but the trickiest would be to go into Qt Creator > Tools > Options > Qt4 and make sure you have something that looks similar to this:

    enter image description here.

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