diff --git a/src/plugins/winrt/winrtdevicefactory.cpp b/src/plugins/winrt/winrtdevicefactory.cpp
index 08231298ba206ea0df3ef1d248bc914221968703..8d2490dd55f4836ad0d4f06ca9d8ca6af0a9bf4f 100644
--- a/src/plugins/winrt/winrtdevicefactory.cpp
+++ b/src/plugins/winrt/winrtdevicefactory.cpp
@@ -130,7 +130,7 @@ void WinRtDeviceFactory::onProcessFinished(int exitCode, QProcess::ExitStatus ex
     }
 
     if (exitCode != 0) {
-        MessageManager::write(tr("winrtrunner.exe returned with exit code %1.")
+        MessageManager::write(tr("winrtrunner returned with exit code %1.")
                                     .arg(exitCode), MessageManager::Flash);
         return;
     }
@@ -238,8 +238,12 @@ void WinRtDeviceFactory::parseRunnerOutput(const QByteArray &output) const
             deviceManager->addDevice(ProjectExplorer::IDevice::ConstPtr(device));
         }
     }
-    MessageManager::write(tr("Found %1 Windows Runtime devices. %2 of them are new.").arg(numFound)
-                          .arg(numFound - numSkipped));
+    QString message = tr("Found %n Windows Runtime devices.", 0, numFound);
+    if (const int numNew = numFound - numSkipped) {
+        message += QLatin1Char(' ');
+        message += tr("%n of them are new.", 0, numNew);
+    }
+    MessageManager::write(message);
 }
 
 } // Internal
diff --git a/src/plugins/winrt/winrtruncontrol.cpp b/src/plugins/winrt/winrtruncontrol.cpp
index 85b01b9425eef094b9c657b4c4c4ae465351f757..436c221941fb021639a414e36fff9cdb783321af 100644
--- a/src/plugins/winrt/winrtruncontrol.cpp
+++ b/src/plugins/winrt/winrtruncontrol.cpp
@@ -69,7 +69,7 @@ WinRtRunControl::WinRtRunControl(WinRtRunConfiguration *runConfiguration, RunMod
     m_isWinPhone = (qt->type() == QLatin1String(Constants::WINRT_WINPHONEQT));
     m_runnerFilePath = qt->binPath().toString() + QStringLiteral("/winrtrunner.exe");
     if (!QFile::exists(m_runnerFilePath)) {
-        appendMessage(tr("Cannot find winrtrunner.exe in '%1'.").arg(
+        appendMessage(tr("Cannot find winrtrunner.exe in \"%1\".").arg(
                           QDir::toNativeSeparators(qt->binPath().toString())),
                       Utils::ErrorMessageFormat);
         return;
@@ -127,12 +127,13 @@ void WinRtRunControl::onProcessFinished(int exitCode, QProcess::ExitStatus exitS
     QTC_CHECK(m_state == StartedState);
 
     if (exitStatus == QProcess::CrashExit) {
-        appendMessage(tr("winrtrunner crashed\n"), Utils::ErrorMessageFormat);
+        appendMessage(tr("winrtrunner crashed.") + QLatin1Char('\n'), Utils::ErrorMessageFormat);
     } else if (exitCode != 0) {
-        appendMessage(tr("winrtrunner returned with exit code %1\n").arg(exitCode),
-                Utils::ErrorMessageFormat);
+        appendMessage(tr("winrtrunner returned with exit code %1.").arg(exitCode)
+                      + QLatin1Char('\n'), Utils::ErrorMessageFormat);
     } else {
-        appendMessage(tr("winrtrunner finished successfully.\n"), Utils::NormalMessageFormat);
+        appendMessage(tr("winrtrunner finished successfully.")
+                      + QLatin1Char('\n'), Utils::NormalMessageFormat);
     }
 
     m_process->disconnect();