[Qt-interest] QSetting Windows SystemScope Problem

[Peter]

Hi,
I have a problem with the removal of a key under HKLM/Software. I want 
to check, if I can write in the  HKLM/Software and if isWritable() == 
true, than I now, my rights are ok and I want to remove the new created key.

I did:
QSettings *obj4 = new QSettings(QSettings::NativeFormat, 
QSettings::SystemScope,"MyTestRegKey");
	obj4->setFallbacksEnabled(false);
	if (obj4->isWritable())
	{
		QString name = obj4->fileName(); //shows the correct path
		obj4->remove(name);
		obj4->sync();
	}
delete obj4;

First, the HKLM/Software/MyTestRegKey is created. This works...
But the remove does not work ! also obj4->clear() does not work.

Documentation does not show any help about the problem, examples show, 
how to remove subkeys, but not how to delete the "MyTestRegKey"....

I need help please
Regards,
Peter