QLibrary.load freezes application

[themts]

Hey guys,

I have a problem with one of my applications.
I'm loading a dll with QLibrary. While I'm in my debug-configuration everything is fine, but as soon as I'm on release QLibrary.load never finishes.
When I restart my application several times, suddenly it works but only 1 out of 15 trials...

Any idea what could be the reason for it?
I'm using the same dll in several applications without problems.

CU
mts

OS: windows 64bit
Qt: 5.8.0

[jsulm]

@themts Can you show the code where you load the lib?

[themts]

bool LoadAHEDnetLib(QString pathAHEDnetLib = "") {
    QFile file(pathAHEDnetLib);
    if ((pathAHEDnetLib == "") || (!file.exists())){
        _ahedLib = new QLibrary("libAHEDnet.dll");
    } else
        _ahedLib = new QLibrary(pathAHEDnetLib);

    qDebug() << "Load AHEDnet.dll";   
    if ((_ahedLib == NULL) || !_ahedLib->load())  <<<THIS IS THE LINE WHERE IT FREEZES
        return false;     <<<< THIS LINE IS NEVER REACHED
    qDebug() << "Load AHEDnet.dll DONE";  <<<< THIS LINE IS NEVER REACHED

...
}

Quite simple...
It's not returning failed or anything, it's just dead-locked.

[jsulm]

@themts Did you try to load any other lib? Just to see whether it is related to one specific lib.