Why Does My Static Qt 5.0.2 Application Fail to Load the \'windows\' Platform Plugin?

Resolving "Failed to Load Platform Plugin 'Windows'" Error with Qt Static Build

Despite linking the necessary libraries (imm32.lib, winmm.lib, etc.) while building a Qt application with Visual Studio 2012 and a custom static Qt 5.0.2 distribution, you may encounter the "Failed to load platform plugin 'windows'" error. To rectify this issue, it is crucial to follow the appropriate steps for a static build.

For Static Build Only:

Moving qwindows.dll:

Ensure that the qwindows.dll is relocated to the same directory where your application's executable resides. This typically includes the following files:

yourapp.exe
Qt5Core.dll
...
platforms/qwindows.dll
...

Pay attention to the absence of the plugins directory. From QT_BASE/.../plugins/*, the required folders should be placed directly with your binaries.

Additional Considerations:

• The need for libEGL.dll depends on the GUI usage in your application.
• Refer to the Qt forum thread (http://qt-project.org/forums/viewthread/27056/#122588) for further insights.

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