[Qt-interest] phonon backend plugin could not be loaded

[Matthias Pospiech]

The last time I posted with this message to the list it was about the 
compilation.

This time I have a full compiled Qt 4.4.3, I have the files
plugins\phonon_backend\phonon_ds9d4.dll
plugins\phonon_backend\phonon_ds94.dll
lib\phonond4.dll
lib\phonon4.dll

as well as the .lib files.

My bin folder contains all these dll files.

If I now start the exe in debug mode (Windows/VisualStudio Compiled) I 
get these warnings:

WARNING: bool __thiscall Phonon::FactoryPrivate::createBackend(void) 
phonon back
end plugin could not be loaded
Phonon::createPath: Cannot connect Phonon::MediaObject(no objectName) to 
Phonon:
:AudioOutput(no objectName).

The same code, with the same dlls do work on another computer with the 
same Qt Version.

What could be wrong?