Index: sources/model/settings/MSettings.cpp
===================================================================
diff -u -r6f2622be80fcaee8d71baf78404627381157970c -r35db01154f90ebfdb6174033a66f5c20af82e14d
--- sources/model/settings/MSettings.cpp	(.../MSettings.cpp)	(revision 6f2622be80fcaee8d71baf78404627381157970c)
+++ sources/model/settings/MSettings.cpp	(.../MSettings.cpp)	(revision 35db01154f90ebfdb6174033a66f5c20af82e14d)
@@ -136,21 +136,26 @@
  * \param   vLocation   - the location of the setting data if is different will be set.
  * \param   vLocation   - the category of the setting data which by default is the base location if has extra folder + filename.
  */
-void MSettings::add(const QString &vGroup, const QString &vKey, const QVariant &vValue, const QString &vLocation, const QString &vCategory)
+void MSettings::add(const QString &vGroup, const QString &vKey, const QVariant &vValue, const QString &vLocation, const QString &vCategory, bool vEnableDuplicateKeys)
 {
     QMutexLocker locker(&_mutex);
     if ( ! _category[vCategory].contains(vGroup) ) _category[vCategory] += vGroup;
 
     KeyValue mGroup = _settings[vGroup];
     if ( mGroup.location != vLocation ) mGroup.location  = vLocation;
     if ( mGroup.category != vCategory ) mGroup.category  = vCategory;
-    if ( mGroup.keys.contains(vKey)) {
-        int index = mGroup.keys.indexOf(vKey);
-        mGroup.values[index] = vValue;
-    }
-    else {
+    if ( vEnableDuplicateKeys ) {
         mGroup.keys      += vKey     ;
         mGroup.values    += vValue   ;
+    } else {
+        if ( mGroup.keys.contains(vKey)) {
+            int index = mGroup.keys.indexOf(vKey);
+            mGroup.values[index] = vValue;
+        }
+        else {
+            mGroup.keys      += vKey     ;
+            mGroup.values    += vValue   ;
+        }
     }
     _settings[vGroup] = mGroup;
 }