I tried
QSettings mSettings;
mSettings.setValue("HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Services/USBTOR/Start", 4);
QSettings mSettings;
mSettings.setVaI tried
QSettings mSettings;
mSettings.setValue("HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Services/USBTOR/Start", 4);
QSettings mSettings;
mSettings.setVa