diff --git a/unotools/source/config/lingucfg.cxx b/unotools/source/config/lingucfg.cxx
index f5cdb65cde58..f48b61240543 100644
--- a/unotools/source/config/lingucfg.cxx
+++ b/unotools/source/config/lingucfg.cxx
@@ -895,9 +895,15 @@ bool SvtLinguConfig::GetElementNamesFor(
     bool bSuccess = false;
     try
     {
-        uno::Reference< container::XNameAccess > xNA( GetMainUpdateAccess(), uno::UNO_QUERY_THROW );
-        xNA.set( xNA->getByName(u"ServiceManager"_ustr), uno::UNO_QUERY_THROW );
-        xNA.set( xNA->getByName( rNodeName ), uno::UNO_QUERY_THROW );
+        uno::Reference< container::XNameAccess > xNA( GetMainUpdateAccess(), uno::UNO_QUERY );
+        if (!xNA)
+            return false;
+        xNA.set( xNA->getByName(u"ServiceManager"_ustr), uno::UNO_QUERY );
+        if (!xNA)
+            return false;
+        xNA.set( xNA->getByName( rNodeName ), uno::UNO_QUERY );
+        if (!xNA)
+            return false;
         rElementNames = xNA->getElementNames();
         bSuccess = true;
     }
@@ -917,10 +923,18 @@ bool SvtLinguConfig::GetSupportedDictionaryFormatsFor(
     bool bSuccess = false;
     try
     {
-        uno::Reference< container::XNameAccess > xNA( GetMainUpdateAccess(), uno::UNO_QUERY_THROW );
-        xNA.set( xNA->getByName(u"ServiceManager"_ustr), uno::UNO_QUERY_THROW );
-        xNA.set( xNA->getByName( rSetName ), uno::UNO_QUERY_THROW );
-        xNA.set( xNA->getByName( rSetEntry ), uno::UNO_QUERY_THROW );
+        uno::Reference< container::XNameAccess > xNA( GetMainUpdateAccess(), uno::UNO_QUERY );
+        if (!xNA)
+            return false;
+        xNA.set( xNA->getByName(u"ServiceManager"_ustr), uno::UNO_QUERY );
+        if (!xNA)
+            return false;
+        xNA.set( xNA->getByName( rSetName ), uno::UNO_QUERY );
+        if (!xNA)
+            return false;
+        xNA.set( xNA->getByName( rSetEntry ), uno::UNO_QUERY );
+        if (!xNA)
+            return false;
         if (xNA->getByName( u"SupportedDictionaryFormats"_ustr ) >>= rFormatList)
             bSuccess = true;
         DBG_ASSERT( rFormatList.hasElements(), "supported dictionary format list is empty" );
@@ -938,10 +952,18 @@ bool SvtLinguConfig::GetLocaleListFor( const OUString &rSetName, const OUString
     bool bSuccess = false;
     try
     {
-        uno::Reference< container::XNameAccess > xNA( GetMainUpdateAccess(), uno::UNO_QUERY_THROW );
-        xNA.set( xNA->getByName(u"ServiceManager"_ustr), uno::UNO_QUERY_THROW );
-        xNA.set( xNA->getByName( rSetName ), uno::UNO_QUERY_THROW );
-        xNA.set( xNA->getByName( rSetEntry ), uno::UNO_QUERY_THROW );
+        uno::Reference< container::XNameAccess > xNA( GetMainUpdateAccess(), uno::UNO_QUERY );
+        if (!xNA)
+            return false;
+        xNA.set( xNA->getByName(u"ServiceManager"_ustr), uno::UNO_QUERY );
+        if (!xNA)
+            return false;
+        xNA.set( xNA->getByName( rSetName ), uno::UNO_QUERY );
+        if (!xNA)
+            return false;
+        xNA.set( xNA->getByName( rSetEntry ), uno::UNO_QUERY );
+        if (!xNA)
+            return false;
         if (xNA->getByName( u"Locales"_ustr ) >>= rLocaleList)
             bSuccess = true;
         DBG_ASSERT( rLocaleList.hasElements(), "Locale list is empty" );
@@ -1027,8 +1049,12 @@ uno::Sequence< OUString > SvtLinguConfig::GetDisabledDictionaries() const
     uno::Sequence< OUString > aResult;
     try
     {
-        uno::Reference< container::XNameAccess > xNA( GetMainUpdateAccess(), uno::UNO_QUERY_THROW );
-        xNA.set( xNA->getByName(u"ServiceManager"_ustr), uno::UNO_QUERY_THROW );
+        uno::Reference< container::XNameAccess > xNA( GetMainUpdateAccess(), uno::UNO_QUERY );
+        if (!xNA)
+            return aResult;
+        xNA.set( xNA->getByName(u"ServiceManager"_ustr), uno::UNO_QUERY );
+        if (!xNA)
+            return aResult;
         xNA->getByName( u"DisabledDictionaries"_ustr ) >>= aResult;
     }
     catch (uno::Exception &)
@@ -1084,28 +1110,27 @@ std::vector< SvtLinguConfigDictionaryEntry > SvtLinguConfig::GetActiveDictionari
 
 uno::Reference< util::XChangesBatch > const & SvtLinguConfig::GetMainUpdateAccess() const
 {
-    if (!m_xMainUpdateAccess.is())
+    if (m_xMainUpdateAccess)
+        return m_xMainUpdateAccess;
+    try
     {
-        try
-        {
-            // get configuration provider
-            uno::Reference< uno::XComponentContext > xContext = comphelper::getProcessComponentContext();
-            uno::Reference< lang::XMultiServiceFactory > xConfigurationProvider =
-                    configuration::theDefaultProvider::get( xContext );
+        // get configuration provider
+        uno::Reference< uno::XComponentContext > xContext = comphelper::getProcessComponentContext();
+        uno::Reference< lang::XMultiServiceFactory > xConfigurationProvider =
+                configuration::theDefaultProvider::get( xContext );
 
-            // get configuration update access
-            beans::PropertyValue aValue;
-            aValue.Name  = "nodepath";
-            aValue.Value <<= u"org.openoffice.Office.Linguistic"_ustr;
-            uno::Sequence< uno::Any > aProps{ uno::Any(aValue) };
-            m_xMainUpdateAccess.set(
-                    xConfigurationProvider->createInstanceWithArguments(
-                        u"com.sun.star.configuration.ConfigurationUpdateAccess"_ustr, aProps),
-                        uno::UNO_QUERY_THROW );
-        }
-        catch (uno::Exception &)
-        {
-        }
+        // get configuration update access
+        beans::PropertyValue aValue;
+        aValue.Name  = "nodepath";
+        aValue.Value <<= u"org.openoffice.Office.Linguistic"_ustr;
+        uno::Sequence< uno::Any > aProps{ uno::Any(aValue) };
+        m_xMainUpdateAccess.set(
+                xConfigurationProvider->createInstanceWithArguments(
+                    u"com.sun.star.configuration.ConfigurationUpdateAccess"_ustr, aProps),
+                    uno::UNO_QUERY );
+    }
+    catch (uno::Exception &)
+    {
     }
 
     return m_xMainUpdateAccess;
@@ -1186,9 +1211,15 @@ bool SvtLinguConfig::HasGrammarChecker() const
 
     try
     {
-        uno::Reference< container::XNameAccess > xNA( GetMainUpdateAccess(), uno::UNO_QUERY_THROW );
-        xNA.set( xNA->getByName(u"ServiceManager"_ustr), uno::UNO_QUERY_THROW );
-        xNA.set( xNA->getByName(u"GrammarCheckerList"_ustr), uno::UNO_QUERY_THROW );
+        uno::Reference< container::XNameAccess > xNA( GetMainUpdateAccess(), uno::UNO_QUERY );
+        if (!xNA)
+            return false;
+        xNA.set( xNA->getByName(u"ServiceManager"_ustr), uno::UNO_QUERY );
+        if (!xNA)
+            return false;
+        xNA.set( xNA->getByName(u"GrammarCheckerList"_ustr), uno::UNO_QUERY );
+        if (!xNA)
+            return false;
 
         uno::Sequence< OUString > aElementNames( xNA->getElementNames() );
         bRes = aElementNames.hasElements();
diff --git a/unotools/source/config/useroptions.cxx b/unotools/source/config/useroptions.cxx
index 7ea5a3fd415f..3ce4665289bf 100644
--- a/unotools/source/config/useroptions.cxx
+++ b/unotools/source/config/useroptions.cxx
@@ -121,8 +121,9 @@ void SvtUserOptions::ChangeListener::disposing (lang::EventObject const& rSource
 {
     try
     {
-        uno::Reference<util::XChangesNotifier> xChgNot(rSource.Source, uno::UNO_QUERY_THROW);
-        xChgNot->removeChangesListener(this);
+        uno::Reference<util::XChangesNotifier> xChgNot(rSource.Source, uno::UNO_QUERY);
+        if (xChgNot)
+            xChgNot->removeChangesListener(this);
     }
     catch (uno::Exception&)
     {
diff --git a/vbahelper/source/msforms/vbacontrol.cxx b/vbahelper/source/msforms/vbacontrol.cxx
index 3b7976cf574c..c144babe5512 100644
--- a/vbahelper/source/msforms/vbacontrol.cxx
+++ b/vbahelper/source/msforms/vbacontrol.cxx
@@ -301,21 +301,24 @@ ScVbaControl::getControlSource()
 // dependent parts
     OUString sControlSource;
     uno::Reference< form::binding::XBindableValue > xBindable( m_xProps, uno::UNO_QUERY );
-    if ( xBindable.is() )
+    if ( !xBindable )
+        return sControlSource;
+    try
+    {
+        uno::Reference< lang::XMultiServiceFactory > xFac( m_xModel, uno::UNO_QUERY_THROW );
+        if ( !xFac )
+            return sControlSource;
+        uno::Reference< beans::XPropertySet > xConvertor( xFac->createInstance( u"com.sun.star.table.CellAddressConversion"_ustr ), uno::UNO_QUERY );
+        uno::Reference< beans::XPropertySet > xProps( xBindable->getValueBinding(), uno::UNO_QUERY);
+        if ( !xProps )
+            return sControlSource;
+        table::CellAddress aAddress;
+        xProps->getPropertyValue( u"BoundCell"_ustr ) >>= aAddress;
+        xConvertor->setPropertyValue( u"Address"_ustr , uno::Any( aAddress ) );
+        xConvertor->getPropertyValue( u"XLA1Representation"_ustr ) >>= sControlSource;
+    }
+    catch(const uno::Exception&)
     {
-        try
-        {
-            uno::Reference< lang::XMultiServiceFactory > xFac( m_xModel, uno::UNO_QUERY_THROW );
-            uno::Reference< beans::XPropertySet > xConvertor( xFac->createInstance( u"com.sun.star.table.CellAddressConversion"_ustr ), uno::UNO_QUERY );
-            uno::Reference< beans::XPropertySet > xProps( xBindable->getValueBinding(), uno::UNO_QUERY_THROW );
-            table::CellAddress aAddress;
-            xProps->getPropertyValue( u"BoundCell"_ustr ) >>= aAddress;
-            xConvertor->setPropertyValue( u"Address"_ustr , uno::Any( aAddress ) );
-            xConvertor->getPropertyValue( u"XLA1Representation"_ustr ) >>= sControlSource;
-        }
-        catch(const uno::Exception&)
-        {
-        }
     }
     return sControlSource;
 }
@@ -364,22 +367,25 @@ ScVbaControl::getRowSource()
 {
     OUString sRowSource;
     uno::Reference< form::binding::XListEntrySink > xListSink( m_xProps, uno::UNO_QUERY );
-    if ( xListSink.is() )
+    if ( !xListSink )
+        return sRowSource;
+    try
     {
-        try
-        {
-            uno::Reference< lang::XMultiServiceFactory > xFac( m_xModel, uno::UNO_QUERY_THROW );
-            uno::Reference< beans::XPropertySet > xConvertor( xFac->createInstance( u"com.sun.star.table.CellRangeAddressConversion"_ustr ), uno::UNO_QUERY );
+        uno::Reference< lang::XMultiServiceFactory > xFac( m_xModel, uno::UNO_QUERY );
+        if ( !xFac )
+            return sRowSource;
+        uno::Reference< beans::XPropertySet > xConvertor( xFac->createInstance( u"com.sun.star.table.CellRangeAddressConversion"_ustr ), uno::UNO_QUERY );
 
-            uno::Reference< beans::XPropertySet > xProps( xListSink->getListEntrySource(), uno::UNO_QUERY_THROW );
-            table::CellRangeAddress aAddress;
-            xProps->getPropertyValue( u"CellRange"_ustr ) >>= aAddress;
-            xConvertor->setPropertyValue( u"Address"_ustr , uno::Any( aAddress ) );
-            xConvertor->getPropertyValue( u"XLA1Representation"_ustr ) >>= sRowSource;
-        }
-        catch(const uno::Exception&)
-        {
-        }
+        uno::Reference< beans::XPropertySet > xProps( xListSink->getListEntrySource(), uno::UNO_QUERY );
+        if ( !xProps )
+            return sRowSource;
+        table::CellRangeAddress aAddress;
+        xProps->getPropertyValue( u"CellRange"_ustr ) >>= aAddress;
+        xConvertor->setPropertyValue( u"Address"_ustr , uno::Any( aAddress ) );
+        xConvertor->getPropertyValue( u"XLA1Representation"_ustr ) >>= sRowSource;
+    }
+    catch(const uno::Exception&)
+    {
     }
     return sRowSource;
 }
diff --git a/vbahelper/source/msforms/vbauserform.cxx b/vbahelper/source/msforms/vbauserform.cxx
index 663a51d7cf8f..8f99b6f39bec 100644
--- a/vbahelper/source/msforms/vbauserform.cxx
+++ b/vbahelper/source/msforms/vbauserform.cxx
@@ -90,10 +90,13 @@ ScVbaUserForm::Show(  )
 
     try
     {
-        uno::Reference< lang::XComponent > xComp( m_xDialog, uno::UNO_QUERY_THROW );
-        m_xDialog = nullptr;
-        xComp->dispose();
-        mbDispose = false;
+        uno::Reference< lang::XComponent > xComp( m_xDialog, uno::UNO_QUERY );
+        if (xComp)
+        {
+            m_xDialog = nullptr;
+            xComp->dispose();
+            mbDispose = false;
+        }
     }
     catch( uno::Exception& )
     {
diff --git a/vbahelper/source/vbahelper/vbadocumentbase.cxx b/vbahelper/source/vbahelper/vbadocumentbase.cxx
index 80cd896cb44d..ff9ef8c1bc72 100644
--- a/vbahelper/source/vbahelper/vbadocumentbase.cxx
+++ b/vbahelper/source/vbahelper/vbadocumentbase.cxx
@@ -141,32 +141,35 @@ VbaDocumentBase::Close( const uno::Any &rSaveArg, const uno::Any &rFileArg,
         xModifiable->setModified( false );
 
     // first try to close the document using UI dispatch functionality
-    bool bUIClose = false;
     try
     {
-        uno::Reference< frame::XController > xController( getModel()->getCurrentController(), uno::UNO_SET_THROW );
-        uno::Reference< frame::XDispatchProvider > xDispatchProvider( xController->getFrame(), uno::UNO_QUERY_THROW );
+        uno::Reference< frame::XController > xController( getModel()->getCurrentController() );
+        if (xController)
+        {
+            uno::Reference< frame::XDispatchProvider > xDispatchProvider( xController->getFrame(), uno::UNO_QUERY );
+            uno::Reference< lang::XMultiComponentFactory > xServiceManager( mxContext->getServiceManager() );
+            if (xDispatchProvider && xServiceManager)
+            {
+                uno::Reference< util::XURLTransformer > xURLTransformer( util::URLTransformer::create(mxContext) );
 
-        uno::Reference< lang::XMultiComponentFactory > xServiceManager( mxContext->getServiceManager(), uno::UNO_SET_THROW );
-        uno::Reference< util::XURLTransformer > xURLTransformer( util::URLTransformer::create(mxContext) );
+                util::URL aURL;
+                aURL.Complete = ".uno:CloseDoc";
+                xURLTransformer->parseStrict( aURL );
 
-        util::URL aURL;
-        aURL.Complete = ".uno:CloseDoc";
-        xURLTransformer->parseStrict( aURL );
-
-        uno::Reference< css::frame::XDispatch > xDispatch(
-                xDispatchProvider->queryDispatch( aURL, u"_self"_ustr , 0 ),
-                uno::UNO_SET_THROW );
-        xDispatch->dispatch( aURL, uno::Sequence< beans::PropertyValue >() );
-        bUIClose = true;
+                uno::Reference< css::frame::XDispatch > xDispatch(
+                        xDispatchProvider->queryDispatch( aURL, u"_self"_ustr , 0 ) );
+                if (xDispatch)
+                {
+                    xDispatch->dispatch( aURL, uno::Sequence< beans::PropertyValue >() );
+                    return;
+                }
+            }
+        }
     }
     catch(const uno::Exception&)
     {
     }
 
-    if ( bUIClose )
-        return;
-
     // if it is not possible to use UI dispatch, try to close the model directly
     bool bCloseable = false;
     uno::Reference< frame::XModel > xModel = getModel();
@@ -196,8 +199,8 @@ VbaDocumentBase::Close( const uno::Any &rSaveArg, const uno::Any &rFileArg,
         // If close is not supported by this model - try to dispose it.
         // But if the model disagree with a reset request for the modify state
         // we shouldn't do so. Otherwise some strange things can happen.
-        uno::Reference< lang::XComponent > xDisposable ( xModel, uno::UNO_QUERY_THROW );
-        xDisposable->dispose();
+        if (xModel)
+            xModel->dispose();
     }
     catch(const uno::Exception&)
     {
@@ -277,13 +280,20 @@ VbaDocumentBase::getVBProject()
 {
     if( !mxVBProject.is() ) try
     {
-        uno::Reference< XApplicationBase > xApp( Application(), uno::UNO_QUERY_THROW );
-        uno::Reference< XInterface > xVBE( xApp->getVBE(), uno::UNO_QUERY_THROW );
-        uno::Sequence< uno::Any > aArgs{ uno::Any(xVBE), // the VBE
-                                         uno::Any(getModel()) }; // document model for script container access
-        uno::Reference< lang::XMultiComponentFactory > xServiceManager( mxContext->getServiceManager(), uno::UNO_SET_THROW );
-        mxVBProject = xServiceManager->createInstanceWithArgumentsAndContext(
-            u"ooo.vba.vbide.VBProject"_ustr, aArgs, mxContext );
+        uno::Reference< XApplicationBase > xApp( Application(), uno::UNO_QUERY );
+        if (xApp)
+        {
+            uno::Reference< XInterface > xVBE( xApp->getVBE(), uno::UNO_QUERY );
+            if (xVBE)
+            {
+                uno::Sequence< uno::Any > aArgs{ uno::Any(xVBE), // the VBE
+                                                 uno::Any(getModel()) }; // document model for script container access
+                uno::Reference< lang::XMultiComponentFactory > xServiceManager( mxContext->getServiceManager() );
+                if (xServiceManager)
+                    mxVBProject = xServiceManager->createInstanceWithArgumentsAndContext(
+                        u"ooo.vba.vbide.VBProject"_ustr, aArgs, mxContext );
+            }
+        }
     }
     catch(const uno::Exception&)
     {
diff --git a/vbahelper/source/vbahelper/vbadocumentsbase.cxx b/vbahelper/source/vbahelper/vbadocumentsbase.cxx
index 4821fc5c1c09..ec7694c59294 100644
--- a/vbahelper/source/vbahelper/vbadocumentsbase.cxx
+++ b/vbahelper/source/vbahelper/vbadocumentsbase.cxx
@@ -206,12 +206,23 @@ void lclSetupComponent( const uno::Reference< lang::XComponent >& rxComponent, b
     {
     }
 
-    if( !bInteractive ) try
+    if( bInteractive )
+        return;
+    try
     {
-        uno::Reference< frame::XModel > xModel( rxComponent, uno::UNO_QUERY_THROW );
-        uno::Reference< frame::XController > xController( xModel->getCurrentController(), uno::UNO_SET_THROW );
-        uno::Reference< frame::XFrame > xFrame( xController->getFrame(), uno::UNO_SET_THROW );
-        uno::Reference< awt::XWindow >( xFrame->getContainerWindow(), uno::UNO_SET_THROW )->setEnable( false );
+        uno::Reference< frame::XModel > xModel( rxComponent, uno::UNO_QUERY );
+        if (!xModel)
+            return;
+        uno::Reference< frame::XController > xController( xModel->getCurrentController() );
+        if (!xController)
+            return;
+        uno::Reference< frame::XFrame > xFrame( xController->getFrame() );
+        if (!xFrame)
+            return;
+        uno::Reference< awt::XWindow > xWindow( xFrame->getContainerWindow() );
+        if (!xWindow)
+            return;
+        xWindow->setEnable( false );
     }
     catch( uno::Exception& )
     {
diff --git a/vbahelper/source/vbahelper/vbahelper.cxx b/vbahelper/source/vbahelper/vbahelper.cxx
index d8d2818d4fb9..99494d8cc7e1 100644
--- a/vbahelper/source/vbahelper/vbahelper.cxx
+++ b/vbahelper/source/vbahelper/vbahelper.cxx
@@ -1078,7 +1078,9 @@ uno::Reference< XHelperInterface > getVBADocument( const uno::Reference< frame::
     uno::Reference< XHelperInterface > xIf;
     try
     {
-        uno::Reference< beans::XPropertySet > xDocProps( xModel, uno::UNO_QUERY_THROW );
+        uno::Reference< beans::XPropertySet > xDocProps( xModel, uno::UNO_QUERY );
+        if (!xDocProps)
+            return xIf;
         OUString aCodeName;
         xDocProps->getPropertyValue( u"CodeName"_ustr ) >>= aCodeName;
         xIf = getUnoDocModule( aCodeName, getSfxObjShell( xModel ) );
diff --git a/writerperfect/qa/unit/WpftLoader.cxx b/writerperfect/qa/unit/WpftLoader.cxx
index bbacb128e19d..7d75033098d9 100644
--- a/writerperfect/qa/unit/WpftLoader.cxx
+++ b/writerperfect/qa/unit/WpftLoader.cxx
@@ -142,7 +142,9 @@ bool WpftLoader::impl_load()
         }
 
         const uno::Reference<document::XExtendedFilterDetection> xDetector(m_xFilter,
-                                                                           uno::UNO_QUERY_THROW);
+                                                                           uno::UNO_QUERY);
+        if (!xDetector)
+            return false;
 
         const OUString aTypeName(xDetector->detect(aDescriptor));
         if (aTypeName.isEmpty())
diff --git a/writerperfect/source/common/DirectoryStream.cxx b/writerperfect/source/common/DirectoryStream.cxx
index 9238a4f3ab51..79b7aeadb680 100644
--- a/writerperfect/source/common/DirectoryStream.cxx
+++ b/writerperfect/source/common/DirectoryStream.cxx
@@ -59,25 +59,28 @@ uno::Reference<io::XInputStream> findStream(ucbhelper::Content& rContent, std::u
     {
         const uno::Reference<sdbc::XResultSet> xResultSet(
             rContent.createCursor(lPropNames, ucbhelper::INCLUDE_DOCUMENTS_ONLY));
-        if (xResultSet->first())
+        if (!xResultSet->first())
+            return xInputStream;
+
+        const uno::Reference<ucb::XContentAccess> xContentAccess(xResultSet, uno::UNO_QUERY);
+        if (!xContentAccess)
+            return xInputStream;
+        const uno::Reference<sdbc::XRow> xRow(xResultSet, uno::UNO_QUERY);
+        if (!xRow)
+            return xInputStream;
+        do
         {
-            const uno::Reference<ucb::XContentAccess> xContentAccess(xResultSet,
-                                                                     uno::UNO_QUERY_THROW);
-            const uno::Reference<sdbc::XRow> xRow(xResultSet, uno::UNO_QUERY_THROW);
-            do
+            const OUString aTitle(xRow->getString(1));
+            if (aTitle == rName)
             {
-                const OUString aTitle(xRow->getString(1));
-                if (aTitle == rName)
-                {
-                    const uno::Reference<ucb::XContent> xSubContent(xContentAccess->queryContent());
-                    ucbhelper::Content aSubContent(xSubContent,
-                                                   uno::Reference<ucb::XCommandEnvironment>(),
-                                                   comphelper::getProcessComponentContext());
-                    xInputStream = aSubContent.openStream();
-                    break;
-                }
-            } while (xResultSet->next());
-        }
+                const uno::Reference<ucb::XContent> xSubContent(xContentAccess->queryContent());
+                ucbhelper::Content aSubContent(xSubContent,
+                                               uno::Reference<ucb::XCommandEnvironment>(),
+                                               comphelper::getProcessComponentContext());
+                xInputStream = aSubContent.openStream();
+                break;
+            }
+        } while (xResultSet->next());
     }
     catch (const uno::RuntimeException&)
     {
diff --git a/writerperfect/source/common/WPXSvInputStream.cxx b/writerperfect/source/common/WPXSvInputStream.cxx
index a43acba44cc6..a22c94a8b3e5 100644
--- a/writerperfect/source/common/WPXSvInputStream.cxx
+++ b/writerperfect/source/common/WPXSvInputStream.cxx
@@ -369,7 +369,9 @@ Reference<XInputStream> ZipStorageImpl::createStream(const OUString& rPath)
 
     try
     {
-        const Reference<XInputStream> xInputStream(mxContainer->getByName(rPath), UNO_QUERY_THROW);
+        const Reference<XInputStream> xInputStream(mxContainer->getByName(rPath), UNO_QUERY);
+        if (!xInputStream)
+            return xStream;
         const Reference<XSeekable> xSeekable(xInputStream, UNO_QUERY);
 
         if (xSeekable.is())
diff --git a/xmloff/source/chart/SchXMLExport.cxx b/xmloff/source/chart/SchXMLExport.cxx
index ec24fef1ebb0..ebdf3bf1ca2f 100644
--- a/xmloff/source/chart/SchXMLExport.cxx
+++ b/xmloff/source/chart/SchXMLExport.cxx
@@ -1640,8 +1640,9 @@ void SchXMLExportHelper_Impl::exportTable()
     try
     {
         bool bProtected = false;
-        Reference< beans::XPropertySet > xProps( mrExport.GetModel(), uno::UNO_QUERY_THROW );
-        if ( ( xProps->getPropertyValue(u"DisableDataTableDialog"_ustr) >>= bProtected ) &&
+        Reference< beans::XPropertySet > xProps( mrExport.GetModel(), uno::UNO_QUERY );
+        if ( xProps &&
+             ( xProps->getPropertyValue(u"DisableDataTableDialog"_ustr) >>= bProtected ) &&
              bProtected )
         {
             mrExport.AddAttribute( XML_NAMESPACE_TABLE, XML_PROTECTED, XML_TRUE );
diff --git a/xmloff/source/chart/SchXMLTableContext.cxx b/xmloff/source/chart/SchXMLTableContext.cxx
index 8a40e1e53997..ecff70a1bc0d 100644
--- a/xmloff/source/chart/SchXMLTableContext.cxx
+++ b/xmloff/source/chart/SchXMLTableContext.cxx
@@ -762,9 +762,12 @@ void SchXMLTableHelper::applyTableToInternalDataProvider(
     {
         try
         {
-            Reference< beans::XPropertySet > xProps( xChartDoc, uno::UNO_QUERY_THROW );
-            xProps->setPropertyValue( u"DisableDataTableDialog"_ustr, uno::Any( true ) );
-            xProps->setPropertyValue( u"DisableComplexChartTypes"_ustr, uno::Any( true ) );
+            Reference< beans::XPropertySet > xProps( xChartDoc, uno::UNO_QUERY );
+            if (xProps)
+            {
+                xProps->setPropertyValue( u"DisableDataTableDialog"_ustr, uno::Any( true ) );
+                xProps->setPropertyValue( u"DisableComplexChartTypes"_ustr, uno::Any( true ) );
+            }
         }
         catch ( uno::Exception& )
         {
diff --git a/xmloff/source/core/XMLEmbeddedObjectImportContext.cxx b/xmloff/source/core/XMLEmbeddedObjectImportContext.cxx
index 91b9ee234954..25b0522ab28f 100644
--- a/xmloff/source/core/XMLEmbeddedObjectImportContext.cxx
+++ b/xmloff/source/core/XMLEmbeddedObjectImportContext.cxx
@@ -123,8 +123,9 @@ void XMLEmbeddedObjectImportContext::SetComponent( Reference< XComponent > const
 
     try
     {
-        Reference < XModifiable2 > xModifiable2( rComp, UNO_QUERY_THROW );
-        xModifiable2->disableSetModified();
+        Reference < XModifiable2 > xModifiable2( rComp, UNO_QUERY );
+        if (xModifiable2)
+            xModifiable2->disableSetModified();
     }
     catch( Exception& )
     {
@@ -243,9 +244,12 @@ void XMLEmbeddedObjectImportContext::endFastElement(sal_Int32 nElement)
 
     try
     {
-        Reference < XModifiable2 > xModifiable2( xComp, UNO_QUERY_THROW );
-        xModifiable2->enableSetModified();
-        xModifiable2->setModified( true ); // trigger new replacement image generation
+        Reference < XModifiable2 > xModifiable2( xComp, UNO_QUERY );
+        if (xModifiable2)
+        {
+            xModifiable2->enableSetModified();
+            xModifiable2->setModified( true ); // trigger new replacement image generation
+        }
     }
     catch( Exception& )
     {
diff --git a/xmloff/source/draw/descriptionimp.cxx b/xmloff/source/draw/descriptionimp.cxx
index 0e9990fbac06..ed735125c9b7 100644
--- a/xmloff/source/draw/descriptionimp.cxx
+++ b/xmloff/source/draw/descriptionimp.cxx
@@ -46,7 +46,9 @@ void SdXMLDescriptionContext::endFastElement(sal_Int32 )
 
     try
     {
-        uno::Reference< beans::XPropertySet > xPropSet(mxShape, uno::UNO_QUERY_THROW);
+        uno::Reference< beans::XPropertySet > xPropSet(mxShape, uno::UNO_QUERY);
+        if (!xPropSet)
+            return;
         if( (mnElement & TOKEN_MASK) == XML_TITLE)
         {
             xPropSet->setPropertyValue(u"Title"_ustr, Any(msText));