Show error if zsign not found in path

.gitignore

@@ -72,3 +72,10 @@
 /Appium Wizard/obj/Appium Wizard.csproj.nuget.dgspec.json
 /Appium Wizard/obj/Appium Wizard.csproj.nuget.g.props
 /Appium Wizard/obj/project.assets.json
+/Appium Wizard/Properties/PublishProfiles/FolderProfile.pubxml
+/Appium Wizard/Properties/PublishProfiles/FolderProfile.pubxml.user
+/Appium Wizard/obj/publish/win-x64/project.assets.json
+/Appium Wizard/obj/publish/win-x64/Appium Wizard.csproj.nuget.dgspec.json
+/Appium Wizard/obj/publish/win-x64/Appium Wizard.csproj.nuget.g.props
+/Appium Wizard/obj/publish/win-x64/Appium Wizard.csproj.nuget.g.targets
+/Appium Wizard/Appium Wizard.csproj.user

Appium Wizard/FilesPath.cs

@@ -26,5 +26,6 @@ public static class FilesPath
         public static string scrcpy = Path.GetDirectoryName(AppDomain.CurrentDomain.BaseDirectory) + "\\Resources\\Executables\\scrcpy\\scrcpy.exe";
         public static string ddiDownloaderFilePath = Path.GetDirectoryName(AppDomain.CurrentDomain.BaseDirectory) + "\\Resources\\iOS\\ddi-downloader.exe";
         public static string devImagesPath = Path.GetDirectoryName(AppDomain.CurrentDomain.BaseDirectory) + "\\Resources\\iOS\\devimages\\";
+        public static string zsignFilePath = Path.GetDirectoryName(AppDomain.CurrentDomain.BaseDirectory) + "\\Resources\\iOS\\zsign.exe";
     }
 }

Appium Wizard/SignIPA.cs

@@ -15,6 +15,17 @@ public SignIPA(List<string[]> profilesList)
 
         private void SignIPA_Load(object sender, EventArgs e)
         {
+            if (!IsZsignWorking())
+            {
+                var result = MessageBox.Show("zsign could not be accessed (it may have been removed by antivirus). Would you like to open the Troubleshooting Guide?", "zsign Not Available", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
+                if (result == DialogResult.Yes)
+                {
+                    Process.Start(new ProcessStartInfo("https://github.com/mega6453/AppiumWizard/blob/master/TROUBLESHOOTINGGUIDE.md") { UseShellExecute = true });
+                }
+                Close();
+                return;
+            }
+
             int index = 0;
             foreach (var item in profilesList)
             {
@@ -155,6 +166,27 @@ private void OutputPathButton_Click(object sender, EventArgs e)
             }
         }
 
+        private bool IsZsignWorking()
+        {
+            try
+            {
+                var process = new Process();
+                process.StartInfo.FileName = FilesPath.zsignFilePath;
+                process.StartInfo.UseShellExecute = false;
+                process.StartInfo.CreateNoWindow = true;
+                process.StartInfo.RedirectStandardOutput = true;
+                process.StartInfo.RedirectStandardError = true;
+                process.Start();
+                string output = process.StandardOutput.ReadToEnd() + process.StandardError.ReadToEnd();
+                process.WaitForExit();
+                return !string.IsNullOrWhiteSpace(output);
+            }
+            catch
+            {
+                return false;
+            }
+        }
+
         private void SignIPA_Shown(object sender, EventArgs e)
         {
             GoogleAnalytics.SendEvent("SignIPA_Shown");