diff --git a/src/gui/gui.pro b/src/gui/gui.pro
index 917552aa..0576f266 100644
--- a/src/gui/gui.pro
+++ b/src/gui/gui.pro
@@ -49,7 +49,8 @@ SOURCES += src/main.cpp \
     src/ZeroconfBrowser.cpp \
     src/ZeroconfService.cpp \
     src/DataDownloader.cpp \
-    src/AddClientDialog.cpp
+    src/AddClientDialog.cpp \
+    src/CommandProcess.cpp
 HEADERS += src/MainWindow.h \
     src/AboutDialog.h \
     src/ServerConfig.h \
@@ -84,7 +85,8 @@ HEADERS += src/MainWindow.h \
     src/ZeroconfBrowser.h \
     src/ZeroconfService.h \
     src/DataDownloader.h \
-    src/AddClientDialog.h
+    src/AddClientDialog.h \
+    src/CommandProcess.h
 RESOURCES += res/Synergy.qrc
 RC_FILE = res/win/Synergy.rc
 macx { 
diff --git a/src/gui/src/CommandProcess.cpp b/src/gui/src/CommandProcess.cpp
new file mode 100644
index 00000000..b3cda409
--- /dev/null
+++ b/src/gui/src/CommandProcess.cpp
@@ -0,0 +1,33 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2014 Synergy Si, Inc.
+ *
+ * This package is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * found in the file COPYING that should have accompanied this file.
+ *
+ * This package is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "CommandProcess.h"
+
+#include <QProcess>
+
+CommandProcess::CommandProcess(QString cmd, QStringList arguments) :
+	m_Command(cmd),
+	m_Arguments(arguments)
+{
+}
+
+void CommandProcess::run()
+{
+	QProcess process;
+	process.start(m_Command, m_Arguments);
+	process.waitForFinished();
+}
diff --git a/src/gui/src/CommandProcess.h b/src/gui/src/CommandProcess.h
new file mode 100644
index 00000000..ac81701c
--- /dev/null
+++ b/src/gui/src/CommandProcess.h
@@ -0,0 +1,38 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2014 Synergy Si, Inc.
+ *
+ * This package is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * found in the file COPYING that should have accompanied this file.
+ *
+ * This package is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef COMMANDTHREAD_H
+#define COMMANDTHREAD_H
+
+#include <QStringList>
+
+class CommandProcess : public QObject
+{
+	Q_OBJECT
+
+public:
+	CommandProcess(QString cmd, QStringList arguments);
+
+public slots:
+	void run();
+
+private:
+	QString m_Command;
+	QStringList m_Arguments;
+};
+
+#endif // COMMANDTHREAD_H
diff --git a/src/gui/src/MainWindow.cpp b/src/gui/src/MainWindow.cpp
index cf9226f9..2f81dd4f 100644
--- a/src/gui/src/MainWindow.cpp
+++ b/src/gui/src/MainWindow.cpp
@@ -27,6 +27,7 @@
 #include "SetupWizard.h"
 #include "ZeroconfService.h"
 #include "DataDownloader.h"
+#include "CommandProcess.h"
 
 #include <QtCore>
 #include <QtGui>
@@ -973,15 +974,17 @@ void MainWindow::on_m_pButtonApply_clicked()
 
 void MainWindow::on_m_pCheckBoxAutoConnect_toggled(bool checked)
 {
-	if (!isBonjourRunning() && checked && !m_SuppressAutoConnectWarning) {
-		int r = QMessageBox::information(
-			this, tr("Synergy"),
-			tr("Auto connect feature requires Bonjour.\n\n"
-			   "Do you want to install Bonjour?"),
-			QMessageBox::Yes | QMessageBox::No);
+	if (!isBonjourRunning() && checked) {
+		if (!m_SuppressAutoConnectWarning) {
+			int r = QMessageBox::information(
+				this, tr("Synergy"),
+				tr("Auto connect feature requires Bonjour.\n\n"
+				   "Do you want to install Bonjour?"),
+				QMessageBox::Yes | QMessageBox::No);
 
-		if (r == QMessageBox::Yes) {
-			downloadBonjour();
+			if (r == QMessageBox::Yes) {
+				downloadBonjour();
+			}
 		}
 
 		m_pCheckBoxAutoConnect->setChecked(false);
@@ -1117,14 +1120,17 @@ void MainWindow::installBonjour()
 	file.write(m_pDataDownloader->downloadedData());
 	file.close();
 
-	QProcess process;
 	QStringList arguments;
 	arguments.append("/i");
 	QString winFilename = QDir::toNativeSeparators(filename);
 	arguments.append(winFilename);
 	arguments.append("/passive");
-	process.start("msiexec", arguments);
-	process.waitForFinished();
+	CommandProcess* cp = new CommandProcess("msiexec", arguments);
+	QThread* thread = new QThread;
+	cp->moveToThread(thread);
+	connect(thread, SIGNAL(finished()), thread, SLOT(deleteLater()));
+	thread->start();
+	QMetaObject::invokeMethod(cp, "run", Qt::QueuedConnection);
 
 	m_DownloadMessageBox->hide();
 #endif