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Missing mingwm10.dll

I am coding a C ++ project using Qt Creator. Everything works fine (debug, release), but when I run the compiled .exe directly (go to the exe file and run it), it says that mingwm10.dll is missing.

What can I do with this problem?

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c ++ qt qt-creator
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4 answers

Here is what you could do:

  • as chalup said, put the MINGW bin directory in your local / global PATH variable: My computer | System Properties | Taken | Environment variables | System variables - select PATH and click Change . After the dialog appears, add something like this: C: \ MinGW \ bin

  • Create an application without mingw, for example Qt-library 4.6.3 for Windows (VS 2008, 194 MB)

  • Just put mingwm10.dll in the directory with the executable

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You can also create your application statically if you want your application to function as a standalone .exe file.

http://www.formortals.com/how-to-statically-link-qt-4/

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You need to add the location of the mingwm10.dll file to the environment PATH variable.

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If you use Qt as LGPL, you are better off accepting a few dlls with your exe. This is actually not so bad. Alternatively, you can compile Qt as a static library or use Microsoft compilers. Removing "-mthreads" in all makefiles can help, byt cannot, especially if you use exceptions between threads.

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