diff --git a/src/plugins/projectexplorer/customwizard/customwizard.cpp b/src/plugins/projectexplorer/customwizard/customwizard.cpp
index f13b9dd0cfa..55850c4333c 100644
--- a/src/plugins/projectexplorer/customwizard/customwizard.cpp
+++ b/src/plugins/projectexplorer/customwizard/customwizard.cpp
@@ -470,7 +470,7 @@ QList<Core::IWizardFactory *> CustomWizard::createWizards()
 
     if (CustomWizardPrivate::verbose) { // Print to output pane for Windows.
         qWarning("%s", qPrintable(verboseLog));
-        Core::MessageManager::write(verboseLog, Core::MessageManager::ModeSwitch);
+        Core::MessageManager::writeDisrupting(verboseLog);
     }
     return rc;
 }
diff --git a/src/plugins/projectexplorer/gcctoolchain.cpp b/src/plugins/projectexplorer/gcctoolchain.cpp
index 052f4a54550..da6185ba3c2 100644
--- a/src/plugins/projectexplorer/gcctoolchain.cpp
+++ b/src/plugins/projectexplorer/gcctoolchain.cpp
@@ -93,7 +93,7 @@ static QByteArray runGcc(const FilePath &gcc, const QStringList &arguments, cons
     SynchronousProcessResponse response =  cpp.runBlocking(cmdLine);
     if (response.result != SynchronousProcessResponse::Finished ||
             response.exitCode != 0) {
-        Core::MessageManager::writeMessages({"Compiler feature detection failure!",
+        Core::MessageManager::writeFlashing({"Compiler feature detection failure!",
                                              response.exitMessage(cmdLine.toUserOutput(), 10),
                                              QString::fromUtf8(response.allRawOutput())});
         return QByteArray();
diff --git a/src/plugins/projectexplorer/jsonwizard/jsonwizard.cpp b/src/plugins/projectexplorer/jsonwizard/jsonwizard.cpp
index 3d613b5e63c..85ec2115946 100644
--- a/src/plugins/projectexplorer/jsonwizard/jsonwizard.cpp
+++ b/src/plugins/projectexplorer/jsonwizard/jsonwizard.cpp
@@ -423,7 +423,7 @@ void JsonWizard::handleNewPages(int pageId)
 
 void JsonWizard::handleError(const QString &message)
 {
-    Core::MessageManager::write(message, Core::MessageManager::ModeSwitch);
+    Core::MessageManager::writeDisrupting(message);
 }
 
 QString JsonWizard::stringify(const QVariant &v) const
diff --git a/src/plugins/projectexplorer/jsonwizard/jsonwizardfactory.cpp b/src/plugins/projectexplorer/jsonwizard/jsonwizardfactory.cpp
index 0691bd71e78..5d9e43acc90 100644
--- a/src/plugins/projectexplorer/jsonwizard/jsonwizardfactory.cpp
+++ b/src/plugins/projectexplorer/jsonwizard/jsonwizardfactory.cpp
@@ -299,7 +299,7 @@ QList<Core::IWizardFactory *> JsonWizardFactory::createWizardFactories()
 
     if (verbose()) { // Print to output pane for Windows.
         qWarning("%s", qPrintable(verboseLog));
-        Core::MessageManager::write(verboseLog, Core::MessageManager::ModeSwitch);
+        Core::MessageManager::writeDisrupting(verboseLog);
     }
 
     return result;