diff --git a/src/gui/gui.pro b/src/gui/gui.pro
index df0887e6..ee4ba52b 100644
--- a/src/gui/gui.pro
+++ b/src/gui/gui.pro
@@ -17,7 +17,8 @@ FORMS += res/MainWindowBase.ui \
     res/SettingsDialogBase.ui \
     res/SetupWizardBase.ui \
     res/AddClientDialogBase.ui \
-    res/ActivationDialog.ui
+    res/ActivationDialog.ui \
+    res/CancelActivationDialog.ui
 SOURCES += src/main.cpp \
     src/MainWindow.cpp \
     src/AboutDialog.cpp \
@@ -60,7 +61,8 @@ SOURCES += src/main.cpp \
     src/WebClient.cpp \
     src/SubscriptionManager.cpp \
     src/ActivationNotifier.cpp \
-    src/ActivationDialog.cpp
+    src/ActivationDialog.cpp \
+    src/CancelActivationDialog.cpp
 HEADERS += src/MainWindow.h \
     src/AboutDialog.h \
     src/ServerConfig.h \
@@ -106,7 +108,8 @@ HEADERS += src/MainWindow.h \
     src/SubscriptionManager.h \
     src/ActivationNotifier.h \
     src/ElevateMode.h \
-    src/ActivationDialog.h
+    src/ActivationDialog.h \
+    src/CancelActivationDialog.h
 RESOURCES += res/Synergy.qrc
 RC_FILE = res/win/Synergy.rc
 macx { 
diff --git a/src/gui/res/CancelActivationDialog.ui b/src/gui/res/CancelActivationDialog.ui
new file mode 100644
index 00000000..2c6ef41b
--- /dev/null
+++ b/src/gui/res/CancelActivationDialog.ui
@@ -0,0 +1,89 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>CancelActivationDialog</class>
+ <widget class="QDialog" name="CancelActivationDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>156</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Cancel Activation</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QLabel" name="label">
+     <property name="text">
+      <string>Are you sure?
+
+If you don't activate Synergy you'll be missing out on some great features</string>
+     </property>
+     <property name="wordWrap">
+      <bool>true</bool>
+     </property>
+     <property name="openExternalLinks">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QLabel" name="label_2">
+     <property name="text">
+      <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&lt;a href=&quot;https://symless.com/pricing?source=gui&quot;&gt;&lt;span style=&quot; text-decoration: underline; color:#0000ff;&quot;&gt;Buy now&lt;/span&gt;&lt;/a&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+     </property>
+     <property name="openExternalLinks">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::No|QDialogButtonBox::Yes</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>CancelActivationDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>CancelActivationDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>
diff --git a/src/gui/src/CancelActivationDialog.cpp b/src/gui/src/CancelActivationDialog.cpp
new file mode 100644
index 00000000..074b76bb
--- /dev/null
+++ b/src/gui/src/CancelActivationDialog.cpp
@@ -0,0 +1,14 @@
+#include "CancelActivationDialog.h"
+#include "ui_CancelActivationDialog.h"
+
+CancelActivationDialog::CancelActivationDialog(QWidget *parent) :
+	QDialog(parent),
+	ui(new Ui::CancelActivationDialog)
+{
+	ui->setupUi(this);
+}
+
+CancelActivationDialog::~CancelActivationDialog()
+{
+	delete ui;
+}
diff --git a/src/gui/src/CancelActivationDialog.h b/src/gui/src/CancelActivationDialog.h
new file mode 100644
index 00000000..b90af083
--- /dev/null
+++ b/src/gui/src/CancelActivationDialog.h
@@ -0,0 +1,22 @@
+#ifndef CANCELACTIVATIONDIALOG_H
+#define CANCELACTIVATIONDIALOG_H
+
+#include <QDialog>
+
+namespace Ui {
+class CancelActivationDialog;
+}
+
+class CancelActivationDialog : public QDialog
+{
+	Q_OBJECT
+	
+public:
+	explicit CancelActivationDialog(QWidget *parent = 0);
+	~CancelActivationDialog();
+	
+private:
+	Ui::CancelActivationDialog *ui;
+};
+
+#endif // CANCELACTIVATIONDIALOG_H