From 0d5f84f23ae922d5b64a3978dbbb5183fd89a2e2 Mon Sep 17 00:00:00 2001
From: Mark <mark.summerville@gmail.com>
Date: Mon, 21 Jan 2019 00:00:22 +0800
Subject: [PATCH] Fix for #581

---
 TVRename/Utility/Helper/Helpers.cs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/TVRename/Utility/Helper/Helpers.cs b/TVRename/Utility/Helper/Helpers.cs
index 67da2d054..89f5ef7ab 100644
--- a/TVRename/Utility/Helper/Helpers.cs
+++ b/TVRename/Utility/Helper/Helpers.cs
@@ -14,6 +14,7 @@
 using System.ComponentModel;
 using System.Diagnostics;
 using System.Diagnostics.Contracts;
+using System.IO;
 using System.Linq;
 using System.Reflection;
 using System.Windows.Forms;
@@ -208,6 +209,8 @@ public static DateTime FromUnixTime(long unixTime)
 
         public static bool SysOpen(string what, string arguments = null)
         {
+            if (string.IsNullOrWhiteSpace(what)) return false;
+
             try
             {
                 Process.Start(what, arguments);
@@ -218,6 +221,11 @@ public static bool SysOpen(string what, string arguments = null)
                 Logger.Warn(e);
                 return false;
             }
+            catch (FileNotFoundException e)
+            {
+                Logger.Warn(e);
+                return false;
+            }
             catch (Exception e)
             {
                 Logger.Error(e);