diff --git a/src/App/Document.cpp b/src/App/Document.cpp
index e6f980aad4..46da8b9d40 100644
--- a/src/App/Document.cpp
+++ b/src/App/Document.cpp
@@ -1092,8 +1092,13 @@ Document::~Document()
     doc->setInvalid();
 
     // remove Transient directory
-    Base::FileInfo TransDir(TransientDir.getValue());
-    TransDir.deleteDirectoryRecursive();
+    try {
+        Base::FileInfo TransDir(TransientDir.getValue());
+        TransDir.deleteDirectoryRecursive();
+    }
+    catch (const Base::Exception& e) {
+        std::cerr << "Removing transient directory failed: " << e.what() << std::endl;
+    }
     delete d;
 }
 
diff --git a/src/Base/Handle.cpp b/src/Base/Handle.cpp
index 1827da7072..f8ba0982bb 100644
--- a/src/Base/Handle.cpp
+++ b/src/Base/Handle.cpp
@@ -26,6 +26,7 @@
 #include "PreCompiled.h"
 
 #ifndef _PreComp_
+# include <iostream>
 # include <assert.h>
 #endif
 
@@ -47,7 +48,7 @@ Handled::Handled()
 Handled::~Handled()
 {
     if ((int)(*_lRefCount) != 0)
-        throw Exception("Reference counter of deleted object is not zero!!!!!\n");
+        std::cerr << "Reference counter of deleted object is not zero!!!!!" << std::endl;
     delete _lRefCount;
 }
 
diff --git a/src/Gui/Action.cpp b/src/Gui/Action.cpp
index e4b7719e17..20951fb724 100644
--- a/src/Gui/Action.cpp
+++ b/src/Gui/Action.cpp
@@ -635,7 +635,7 @@ RecentFilesAction::RecentFilesAction ( Command* pcCmd, QObject * parent )
 
 RecentFilesAction::~RecentFilesAction()
 {
-    save();
+    try { save(); } catch (...) {}
 }
 
 /** Adds the new item to the recent files. */
diff --git a/src/Gui/Application.cpp b/src/Gui/Application.cpp
index 83dbb250c7..cbd7d4db20 100644
--- a/src/Gui/Application.cpp
+++ b/src/Gui/Application.cpp
@@ -29,6 +29,7 @@
 # include <boost/bind.hpp>
 # include <sstream>
 # include <stdexcept>
+# include <iostream>
 # include <QCloseEvent>
 # include <QDir>
 # include <QFileInfo>
@@ -385,7 +386,12 @@ Application::~Application()
     }
 
     // save macros
-    MacroCommand::save();
+    try {
+        MacroCommand::save();
+    }
+    catch (const Base::Exception& e) {
+        std::cerr << "Saving macros failed: " << e.what() << std::endl;
+    }
     //App::GetApplication().Detach(this);
 
     delete d;
diff --git a/src/Gui/PrefWidgets.cpp b/src/Gui/PrefWidgets.cpp
index a946a1245c..c5750981a4 100644
--- a/src/Gui/PrefWidgets.cpp
+++ b/src/Gui/PrefWidgets.cpp
@@ -28,6 +28,7 @@
 #endif
 
 #include <Base/Console.h>
+#include <Base/Exception.h>
 #include <App/Application.h>
 
 #include "PrefWidgets.h"
@@ -557,19 +558,24 @@ void PrefQuantitySpinBox::pushToHistory(const QString &valueq)
 
     std::string value(val.toUtf8());
     if (d->handle.isValid()) {
-        // do nothing if the given value is on top of the history
-        std::string tHist = d->handle->GetASCII("Hist0");
-        if (tHist != val.toUtf8().constData()) {
-            for (int i = d->historySize -1 ; i>=0 ;i--) {
-                QByteArray hist1 = "Hist";
-                QByteArray hist0 = "Hist";
-                hist1.append(QByteArray::number(i+1));
-                hist0.append(QByteArray::number(i));
-                std::string tHist = d->handle->GetASCII(hist0);
-                if (!tHist.empty())
-                    d->handle->SetASCII(hist1,tHist.c_str());
+        try {
+            // do nothing if the given value is on top of the history
+            std::string tHist = d->handle->GetASCII("Hist0");
+            if (tHist != val.toUtf8().constData()) {
+                for (int i = d->historySize -1 ; i>=0 ;i--) {
+                    QByteArray hist1 = "Hist";
+                    QByteArray hist0 = "Hist";
+                    hist1.append(QByteArray::number(i+1));
+                    hist0.append(QByteArray::number(i));
+                    std::string tHist = d->handle->GetASCII(hist0);
+                    if (!tHist.empty())
+                        d->handle->SetASCII(hist1,tHist.c_str());
+                }
+                d->handle->SetASCII("Hist0",value.c_str());
             }
-            d->handle->SetASCII("Hist0",value.c_str());
+        }
+        catch (const Base::Exception& e) {
+            Console().Warning("pushToHistory: %s\n", e.what());
         }
     }
 }
diff --git a/src/Mod/Fem/App/FemMesh.cpp b/src/Mod/Fem/App/FemMesh.cpp
index 027077bfb9..a794b465c5 100644
--- a/src/Mod/Fem/App/FemMesh.cpp
+++ b/src/Mod/Fem/App/FemMesh.cpp
@@ -107,11 +107,15 @@ FemMesh::~FemMesh()
 {
     //Base::Console().Log("FemMesh::~FemMesh():%p\n",this);
 
-    TopoDS_Shape aNull;
-    myMesh->ShapeToMesh(aNull);
-    myMesh->Clear();
-    //myMesh->ClearLog();
-    delete myMesh;
+    try {
+        TopoDS_Shape aNull;
+        myMesh->ShapeToMesh(aNull);
+        myMesh->Clear();
+        //myMesh->ClearLog();
+        delete myMesh;
+    }
+    catch (...) {
+    }
 }
 
 FemMesh &FemMesh::operator=(const FemMesh& mesh)
diff --git a/src/Mod/Mesh/App/Exporter.cpp b/src/Mod/Mesh/App/Exporter.cpp
index b769082b66..7c91949c5e 100644
--- a/src/Mod/Mesh/App/Exporter.cpp
+++ b/src/Mod/Mesh/App/Exporter.cpp
@@ -112,7 +112,12 @@ MergeExporter::~MergeExporter()
         }
     }
 
-    mergingMesh.save(fName.c_str());
+    try {
+        mergingMesh.save(fName.c_str());
+    }
+    catch (const Base::Exception& e) {
+        std::cerr << "Saving mesh failed: " << e.what() << std::endl;
+    }
 }
 
 
diff --git a/src/Mod/Mesh/Gui/DlgEvaluateMeshImp.cpp b/src/Mod/Mesh/Gui/DlgEvaluateMeshImp.cpp
index 48791e67a2..1ba8063f5c 100644
--- a/src/Mod/Mesh/Gui/DlgEvaluateMeshImp.cpp
+++ b/src/Mod/Mesh/Gui/DlgEvaluateMeshImp.cpp
@@ -168,11 +168,15 @@ DlgEvaluateMeshImp::~DlgEvaluateMeshImp()
         delete it->second;
     }
 
-    ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath
-            ("User parameter:BaseApp/Preferences/Mod/Mesh/Evaluation");
-    hGrp->SetBool("CheckNonManifoldPoints", d->checkNonManfoldPoints);
-    hGrp->SetBool("EnableFoldsCheck", d->enableFoldsCheck);
-    hGrp->SetBool("StrictlyDegenerated", d->strictlyDegenerated);
+    try {
+        ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath
+                ("User parameter:BaseApp/Preferences/Mod/Mesh/Evaluation");
+        hGrp->SetBool("CheckNonManifoldPoints", d->checkNonManfoldPoints);
+        hGrp->SetBool("EnableFoldsCheck", d->enableFoldsCheck);
+        hGrp->SetBool("StrictlyDegenerated", d->strictlyDegenerated);
+    }
+    catch (...) {
+    }
 
     d->vp.clear();
     delete d;
diff --git a/src/Mod/Part/Gui/TaskAttacher.cpp b/src/Mod/Part/Gui/TaskAttacher.cpp
index 51557089e4..cf482671aa 100644
--- a/src/Mod/Part/Gui/TaskAttacher.cpp
+++ b/src/Mod/Part/Gui/TaskAttacher.cpp
@@ -876,7 +876,7 @@ void TaskAttacher::visibilityAutomation(bool opening_not_closing)
                 ).toLatin1();
                 Base::Interpreter().runString(code_2.constData());
         }
-        catch (Base::PyException &e){
+        catch (Base::Exception &e){
             e.ReportException();
         }
     }
@@ -884,7 +884,7 @@ void TaskAttacher::visibilityAutomation(bool opening_not_closing)
         try {
             Base::Interpreter().runString("del(tv)");
         }
-        catch (Base::PyException &e) {
+        catch (Base::Exception &e) {
             e.ReportException();
         }
     }
diff --git a/src/Mod/PartDesign/Gui/TaskFeaturePick.cpp b/src/Mod/PartDesign/Gui/TaskFeaturePick.cpp
index e00eeafc73..02da50f264 100644
--- a/src/Mod/PartDesign/Gui/TaskFeaturePick.cpp
+++ b/src/Mod/PartDesign/Gui/TaskFeaturePick.cpp
@@ -224,55 +224,61 @@ std::vector<App::DocumentObject*> TaskFeaturePick::buildFeatures()
 {
     int index = 0;
     std::vector<App::DocumentObject*> result;
-    auto activeBody = PartDesignGui::getBody(false);
-    if (!activeBody)
-        return result;
-    auto activePart = PartDesignGui::getPartFor(activeBody, false);
+    try {
+        auto activeBody = PartDesignGui::getBody(false);
+        if (!activeBody)
+            return result;
 
-    for (std::vector<featureStatus>::const_iterator st = statuses.begin(); st != statuses.end(); st++) {
-        QListWidgetItem* item = ui->listWidget->item(index);
+        auto activePart = PartDesignGui::getPartFor(activeBody, false);
 
-        if (item->isSelected() && !item->isHidden()) {
-            QString t = item->data(Qt::UserRole).toString();
-            auto obj = App::GetApplication().getDocument(documentName.c_str())->getObject(t.toLatin1().data());
+        for (std::vector<featureStatus>::const_iterator st = statuses.begin(); st != statuses.end(); st++) {
+            QListWidgetItem* item = ui->listWidget->item(index);
 
-            //build the dependend copy or reference if wanted by the user
-            if (*st == otherBody || *st == otherPart || *st == notInBody) {
-                if (!ui->radioXRef->isChecked()) {
-                    auto copy = makeCopy(obj, "", ui->radioIndependent->isChecked());
+            if (item->isSelected() && !item->isHidden()) {
+                QString t = item->data(Qt::UserRole).toString();
+                auto obj = App::GetApplication().getDocument(documentName.c_str())->getObject(t.toLatin1().data());
 
-                    if (*st == otherBody) {
-                        activeBody->addObject(copy);
-                    }
-                    else if (*st == otherPart) {
-                        auto oBody = PartDesignGui::getBodyFor(obj, false);
-                        if (!oBody)
-                            activePart->addObject(copy);
-                        else
+                //build the dependend copy or reference if wanted by the user
+                if (*st == otherBody || *st == otherPart || *st == notInBody) {
+                    if (!ui->radioXRef->isChecked()) {
+                        auto copy = makeCopy(obj, "", ui->radioIndependent->isChecked());
+
+                        if (*st == otherBody) {
                             activeBody->addObject(copy);
-                    }
-                    else if (*st == notInBody) {
-                        activeBody->addObject(copy);
-                        // doesn't supposed to get here anything but sketch but to be on the safe side better to check
-                        if (copy->getTypeId().isDerivedFrom(Sketcher::SketchObject::getClassTypeId())) {
-                            Sketcher::SketchObject *sketch = static_cast<Sketcher::SketchObject*>(copy);
-                            PartDesignGui::fixSketchSupport(sketch);
                         }
+                        else if (*st == otherPart) {
+                            auto oBody = PartDesignGui::getBodyFor(obj, false);
+                            if (!oBody)
+                                activePart->addObject(copy);
+                            else
+                                activeBody->addObject(copy);
+                        }
+                        else if (*st == notInBody) {
+                            activeBody->addObject(copy);
+                            // doesn't supposed to get here anything but sketch but to be on the safe side better to check
+                            if (copy->getTypeId().isDerivedFrom(Sketcher::SketchObject::getClassTypeId())) {
+                                Sketcher::SketchObject *sketch = static_cast<Sketcher::SketchObject*>(copy);
+                                PartDesignGui::fixSketchSupport(sketch);
+                            }
+                        }
+                        result.push_back(copy);
+                    }
+                    else {
+                        result.push_back(obj);
                     }
-                    result.push_back(copy);
                 }
                 else {
                     result.push_back(obj);
                 }
-            }
-            else {
-                result.push_back(obj);
+
+                break;
             }
 
-            break;
+            index++;
         }
-
-        index++;
+    }
+    catch (const Base::Exception& e) {
+        e.ReportException();
     }
 
     return result;
@@ -499,7 +505,7 @@ TaskDlgFeaturePick::~TaskDlgFeaturePick()
         }
         Content.clear();
 
-        abortFunction();
+        try { abortFunction(); } catch (...) {}
     }
 }
 
diff --git a/src/Mod/PartDesign/Gui/TaskLinearPatternParameters.cpp b/src/Mod/PartDesign/Gui/TaskLinearPatternParameters.cpp
index 485c53eec6..192f314de6 100644
--- a/src/Mod/PartDesign/Gui/TaskLinearPatternParameters.cpp
+++ b/src/Mod/PartDesign/Gui/TaskLinearPatternParameters.cpp
@@ -372,20 +372,20 @@ unsigned TaskLinearPatternParameters::getOccurrences(void) const
 
 TaskLinearPatternParameters::~TaskLinearPatternParameters()
 {
-    //hide the parts coordinate system axis for selection
-    PartDesign::Body * body = PartDesign::Body::findBodyOf(getObject());
-    if (body) {
-        try {
+    try {
+        //hide the parts coordinate system axis for selection
+        PartDesign::Body * body = PartDesign::Body::findBodyOf(getObject());
+        if (body) {
             App::Origin *origin = body->getOrigin();
             ViewProviderOrigin* vpOrigin;
             vpOrigin = static_cast<ViewProviderOrigin*>(Gui::Application::Instance->getViewProvider(origin));
             vpOrigin->resetTemporaryVisibility();
         }
-        catch (const Base::Exception &ex) {
-            Base::Console().Error ("%s\n", ex.what () );
-        }
     }
-    
+    catch (const Base::Exception &ex) {
+        Base::Console().Error ("%s\n", ex.what () );
+    }
+
     delete ui;
     if (proxy)
         delete proxy;
diff --git a/src/Mod/PartDesign/Gui/TaskMirroredParameters.cpp b/src/Mod/PartDesign/Gui/TaskMirroredParameters.cpp
index 8eb7fccd32..084ab353c3 100644
--- a/src/Mod/PartDesign/Gui/TaskMirroredParameters.cpp
+++ b/src/Mod/PartDesign/Gui/TaskMirroredParameters.cpp
@@ -287,16 +287,16 @@ void TaskMirroredParameters::apply()
 TaskMirroredParameters::~TaskMirroredParameters()
 {
     //hide the parts coordinate system axis for selection
-    PartDesign::Body * body = PartDesign::Body::findBodyOf ( getObject() );
-    if ( body ) {
-        try {
+    try {
+        PartDesign::Body * body = PartDesign::Body::findBodyOf ( getObject() );
+        if ( body ) {
             App::Origin *origin = body->getOrigin();
             ViewProviderOrigin* vpOrigin;
             vpOrigin = static_cast<ViewProviderOrigin*>(Gui::Application::Instance->getViewProvider(origin));
             vpOrigin->resetTemporaryVisibility();
-        } catch (const Base::Exception &ex) {
-            Base::Console().Error ("%s\n", ex.what () );
         }
+    } catch (const Base::Exception &ex) {
+        Base::Console().Error ("%s\n", ex.what () );
     }
 
     delete ui;
diff --git a/src/Mod/PartDesign/Gui/TaskPolarPatternParameters.cpp b/src/Mod/PartDesign/Gui/TaskPolarPatternParameters.cpp
index b3e8755028..874273f63e 100644
--- a/src/Mod/PartDesign/Gui/TaskPolarPatternParameters.cpp
+++ b/src/Mod/PartDesign/Gui/TaskPolarPatternParameters.cpp
@@ -375,16 +375,16 @@ unsigned TaskPolarPatternParameters::getOccurrences(void) const
 TaskPolarPatternParameters::~TaskPolarPatternParameters()
 {
     //hide the parts coordinate system axis for selection
-    PartDesign::Body * body = PartDesign::Body::findBodyOf ( getObject() );
-    if ( body ) {
-        try {
+    try {
+        PartDesign::Body * body = PartDesign::Body::findBodyOf ( getObject() );
+        if ( body ) {
             App::Origin *origin = body->getOrigin();
             ViewProviderOrigin* vpOrigin;
             vpOrigin = static_cast<ViewProviderOrigin*>(Gui::Application::Instance->getViewProvider(origin));
             vpOrigin->resetTemporaryVisibility ();
-        } catch (const Base::Exception &ex) {
-            Base::Console().Error ("%s\n", ex.what () );
         }
+    } catch (const Base::Exception &ex) {
+        Base::Console().Error ("%s\n", ex.what () );
     }
 
     delete ui;
diff --git a/src/Mod/PartDesign/Gui/TaskPrimitiveParameters.cpp b/src/Mod/PartDesign/Gui/TaskPrimitiveParameters.cpp
index 7497dfa440..ff8b2c7d18 100644
--- a/src/Mod/PartDesign/Gui/TaskPrimitiveParameters.cpp
+++ b/src/Mod/PartDesign/Gui/TaskPrimitiveParameters.cpp
@@ -245,16 +245,16 @@ TaskBoxPrimitives::TaskBoxPrimitives(ViewProviderPrimitive* vp, QWidget* parent)
 TaskBoxPrimitives::~TaskBoxPrimitives()
 {
     //hide the parts coordinate system axis for selection
-    PartDesign::Body * body = vp ? PartDesign::Body::findBodyOf(vp->getObject()) : 0;
-    if (body) {
-        try {
+    try {
+        PartDesign::Body * body = vp ? PartDesign::Body::findBodyOf(vp->getObject()) : 0;
+        if (body) {
             App::Origin *origin = body->getOrigin();
             Gui::ViewProviderOrigin* vpOrigin;
             vpOrigin = static_cast<Gui::ViewProviderOrigin*>(Gui::Application::Instance->getViewProvider(origin));
             vpOrigin->resetTemporaryVisibility();
-        } catch (const Base::Exception &ex) {
-            Base::Console().Error ("%s\n", ex.what () );
         }
+    } catch (const Base::Exception &ex) {
+        Base::Console().Error ("%s\n", ex.what () );
     }
 }
 
diff --git a/src/Mod/PartDesign/Gui/TaskRevolutionParameters.cpp b/src/Mod/PartDesign/Gui/TaskRevolutionParameters.cpp
index ff0fe28a9b..b42587e5fe 100644
--- a/src/Mod/PartDesign/Gui/TaskRevolutionParameters.cpp
+++ b/src/Mod/PartDesign/Gui/TaskRevolutionParameters.cpp
@@ -360,17 +360,17 @@ bool   TaskRevolutionParameters::getReversed(void) const
 
 TaskRevolutionParameters::~TaskRevolutionParameters()
 {
-    //hide the parts coordinate system axis for selection
-    PartDesign::Body * body = vp ? PartDesign::Body::findBodyOf(vp->getObject()) : 0;
-    if (body) {
-        try {
+    try {
+        //hide the parts coordinate system axis for selection
+        PartDesign::Body * body = vp ? PartDesign::Body::findBodyOf(vp->getObject()) : 0;
+        if (body) {
             App::Origin *origin = body->getOrigin();
             ViewProviderOrigin* vpOrigin;
             vpOrigin = static_cast<ViewProviderOrigin*>(Gui::Application::Instance->getViewProvider(origin));
             vpOrigin->resetTemporaryVisibility();
-        } catch (const Base::Exception &ex) {
-            Base::Console().Error ("%s\n", ex.what () );
         }
+    } catch (const Base::Exception &ex) {
+        Base::Console().Error ("%s\n", ex.what () );
     }
 
     delete ui;
diff --git a/src/Mod/Sketcher/Gui/TaskSketcherElements.cpp b/src/Mod/Sketcher/Gui/TaskSketcherElements.cpp
index 7df2d79156..a74896bba6 100644
--- a/src/Mod/Sketcher/Gui/TaskSketcherElements.cpp
+++ b/src/Mod/Sketcher/Gui/TaskSketcherElements.cpp
@@ -308,10 +308,14 @@ TaskSketcherElements::TaskSketcherElements(ViewProviderSketch *sketchView)
 
 TaskSketcherElements::~TaskSketcherElements()
 {
-    ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Mod/Sketcher/Elements");
-    hGrp->SetBool("Auto-switch to edge", ui->autoSwitchBox->isChecked());
-    hGrp->SetBool("Extended Naming", ui->namingBox->isChecked());
-    
+    try {
+        ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Mod/Sketcher/Elements");
+        hGrp->SetBool("Auto-switch to edge", ui->autoSwitchBox->isChecked());
+        hGrp->SetBool("Extended Naming", ui->namingBox->isChecked());
+    }
+    catch (const Base::Exception&) {
+    }
+
     connectionElementsChanged.disconnect();
     delete ui;
 }