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updated from Qt4 to Qt5 -> QtCore4.dll is missing

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Hey, i was using Qt4 for a while and now updated to using Qt5, but my application won’t start, saying: “The program can’t start because QtCore4.dll is missing from your computer. Try reinstalling the program to fix this problem.” - I’m using the Qt5 Visual-Studio Add-In - my Qt-folder is located at C:\qt\5.0.2 - in Visual-Studio Qt-Options: QT_5.0.2, C:\qt\5.0.2\qtbase - project’s Qt-Version is QT_5.0.2 - i added the user environment variable QT_DIR with key C:\qt\5.0.2 - in project settings i added “additional include directories”: $(QT_DIR)\qtbase\include\QtCore $(QT_DIR)\qtbase\include\QtGui $(QT_DIR)\qtbase\include\QtXml $(QT_DIR)\qtbase\include\QtOpenGL $(QT_DIR)\qtbase\include\QtWidgets and also $(QT_DIR)\qtbase\include - in project settings i added “additional library directories”: $(QT_DIR)\qtbase\lib - in project settings i added “additional dependencies”: Qt5Core.lib Qt5Gui.lib Qt5Xml.lib Qt5OpenGL.lib Qt5Test.lib Qt5Widgets.lib qtmain.lib Qt5PlatformSupport.lib I have no idea, why it still keeps asking for the QtCore4.dll. Can anybody help?

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