diff --git a/Flow.Launcher/Helper/HotKeyMapper.cs b/Flow.Launcher/Helper/HotKeyMapper.cs
index 27c044c66..3949d2828 100644
--- a/Flow.Launcher/Helper/HotKeyMapper.cs
+++ b/Flow.Launcher/Helper/HotKeyMapper.cs
@@ -44,10 +44,9 @@ namespace Flow.Launcher.Helper
             }
             catch (Exception)
             {
-                string errorMsg =
-                    string.Format(InternationalizationManager.Instance.GetTranslation("registerHotkeyFailed"),
-                        hotkeyStr);
-                MessageBox.Show(errorMsg);
+                string errorMsg = string.Format(InternationalizationManager.Instance.GetTranslation("registerHotkeyFailed"), hotkeyStr);
+                string errorMsgTitle = InternationalizationManager.Instance.GetTranslation("MessageBoxTitle");
+                MessageBox.Show(errorMsg,errorMsgTitle);
             }
         }
 
diff --git a/Flow.Launcher/Languages/en.xaml b/Flow.Launcher/Languages/en.xaml
index bee595772..75fc68219 100644
--- a/Flow.Launcher/Languages/en.xaml
+++ b/Flow.Launcher/Languages/en.xaml
@@ -3,7 +3,8 @@
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:system="clr-namespace:System;assembly=mscorlib">
     <!--  MainWindow  -->
-    <system:String x:Key="registerHotkeyFailed">Failed to register hotkey: {0}</system:String>
+    <system:String x:Key="registerHotkeyFailed">Failed to register hotkey "{0}". The hotkey may be in use by another program. Change to a different hotkey, or exit another program.</system:String>
+    <system:String x:Key="MessageBoxTitle">Flow Launcher</system:String>
     <system:String x:Key="couldnotStartCmd">Could not start {0}</system:String>
     <system:String x:Key="invalidFlowLauncherPluginFileFormat">Invalid Flow Launcher plugin file format</system:String>
     <system:String x:Key="setAsTopMostInThisQuery">Set as topmost in this query</system:String>