diff --git a/src/Gui/NetworkRetriever.cpp b/src/Gui/NetworkRetriever.cpp
index 3b1f9302ae..29dc0f9cc6 100644
--- a/src/Gui/NetworkRetriever.cpp
+++ b/src/Gui/NetworkRetriever.cpp
@@ -118,7 +118,8 @@ void NetworkRetriever::testFailure()
     if ( wget->state() == QProcess::Running )
     {
         d->fail = false;
-        Base::Console().Message( tr("Download started...").toLatin1() + QString::fromUtf8("\n"));
+        QString msg = tr("Download started...") + QString::fromUtf8("\n");    // all QString
+        Base::Console().Message(msg.toUtf8().constData());                    // all cStyleString
     }
 }
 
diff --git a/src/Mod/Part/AttachmentEditor/TaskAttachmentEditor.py b/src/Mod/Part/AttachmentEditor/TaskAttachmentEditor.py
index 45df9508dc..1c9c50f77c 100644
--- a/src/Mod/Part/AttachmentEditor/TaskAttachmentEditor.py
+++ b/src/Mod/Part/AttachmentEditor/TaskAttachmentEditor.py
@@ -1,6 +1,5 @@
 #/***************************************************************************
-# *   Copyright (c) Victor Titov (DeepSOIC)                                 *
-# *                                           (vv.titov@gmail.com) 2016     *
+# *   Copyright (c) 2016 Victor Titov (DeepSOIC) <vv.titov@gmail.com>       *
 # *                                                                         *
 # *   This file is part of the FreeCAD CAx development system.              *
 # *                                                                         *
@@ -526,8 +525,8 @@ class AttachmentEditorTaskPanel(FrozenClass):
 
                 tip = mi['BriefDocu']
                 if (m != 'Deactivated'):
-                    tip += QString::fromLatin1("\n\n")
-                    tip += _translate('AttachmentEditor', "Reference combinations:", None) + u"\n\n".join(cmb)
+                    tip += u"\n\n"
+                    tip += _translate('AttachmentEditor', "Reference combinations:", None) + u" \n\n".join(cmb)
 
                 item.setToolTip(tip)
 
diff --git a/src/Mod/Sketcher/App/SketchAnalysis.cpp b/src/Mod/Sketcher/App/SketchAnalysis.cpp
index c1f7cfb953..976efdb04c 100644
--- a/src/Mod/Sketcher/App/SketchAnalysis.cpp
+++ b/src/Mod/Sketcher/App/SketchAnalysis.cpp
@@ -373,7 +373,7 @@ void SketchAnalysis::makeMissingPointOnPointCoincident(bool onebyone)
             }
 
             if(status) {
-                THROWMT(Base::RuntimeError, QT_TRANSLATE_NOOP("Exceptions", "Autoconstrain error: Unsolvable sketch while applying coincident constraints.")+"\n")
+                THROWMT(Base::RuntimeError, QT_TRANSLATE_NOOP("Exceptions", "Autoconstrain error: Unsolvable sketch while applying coincident constraints."));
             }
         }
         else {
@@ -452,7 +452,7 @@ void SketchAnalysis::makeMissingVerticalHorizontal(bool onebyone)
             }
 
             if(status) {
-                THROWMT(Base::RuntimeError, QT_TRANSLATE_NOOP("Exceptions", "Autoconstrain error: Unsolvable sketch while applying vertical/horizontal constraints.")+"\n")
+                THROWMT(Base::RuntimeError, QT_TRANSLATE_NOOP("Exceptions", "Autoconstrain error: Unsolvable sketch while applying vertical/horizontal constraints."));
             }
         }
         else {
@@ -647,7 +647,7 @@ void SketchAnalysis::makeMissingEquality(bool onebyone)
             }
 
             if(status) {
-                THROWMT(Base::RuntimeError, QT_TRANSLATE_NOOP("Exceptions", "Autoconstrain error: Unsolvable sketch while applying equality constraints.")+"\n")
+                THROWMT(Base::RuntimeError, QT_TRANSLATE_NOOP("Exceptions", "Autoconstrain error: Unsolvable sketch while applying equality constraints."));
             }
         }
         else {
@@ -701,7 +701,7 @@ int SketchAnalysis::autoconstraint(double precision, double angleprecision, bool
     solvesketch(status,dofs,true);
 
     if(status) {// it should not be possible at this moment as we start from a clean situation
-        THROWMT(Base::RuntimeError, QT_TRANSLATE_NOOP("Exceptions", "Autoconstrain error: Unsolvable sketch without constraints.")+"\n")
+        THROWMT(Base::RuntimeError, QT_TRANSLATE_NOOP("Exceptions", "Autoconstrain error: Unsolvable sketch without constraints."));
     }
 
     // STAGE 1: Vertical/Horizontal Line Segments
@@ -738,7 +738,7 @@ int SketchAnalysis::autoconstraint(double precision, double angleprecision, bool
         }
 
         if(status) {
-            THROWMT(Base::RuntimeError, QT_TRANSLATE_NOOP("Exceptions", "Autoconstrain error: Unsolvable sketch after applying horizontal and vertical constraints.")+"\n")
+            THROWMT(Base::RuntimeError, QT_TRANSLATE_NOOP("Exceptions", "Autoconstrain error: Unsolvable sketch after applying horizontal and vertical constraints."));
         }
     }
 
@@ -760,7 +760,7 @@ int SketchAnalysis::autoconstraint(double precision, double angleprecision, bool
         }
 
         if(status) {
-            THROWMT(Base::RuntimeError, QT_TRANSLATE_NOOP("Exceptions", "Autoconstrain error: Unsolvable sketch after applying point-on-point constraints.")+"\n")
+            THROWMT(Base::RuntimeError, QT_TRANSLATE_NOOP("Exceptions", "Autoconstrain error: Unsolvable sketch after applying point-on-point constraints."));
         }
     }
 
@@ -788,7 +788,7 @@ int SketchAnalysis::autoconstraint(double precision, double angleprecision, bool
         }
 
         if(status) {
-            THROWMT(Base::RuntimeError, QT_TRANSLATE_NOOP("Exceptions", "Autoconstrain error: Unsolvable sketch after applying equality constraints.")+"\n")
+            THROWMT(Base::RuntimeError, QT_TRANSLATE_NOOP("Exceptions", "Autoconstrain error: Unsolvable sketch after applying equality constraints."));
         }
     }