Attempting to patch launch failure issue.

I believe this is being caused by an exception related to some registry
keys. I have wrapped these into try/catch blocks so they don't hault the
program from launching. This should hopefully stop the issue from
persisting.

src/Launcher.cs

@@ -1,12 +1,10 @@
 using System;
 using System.Collections.Generic;
-using System.Collections.Specialized;
 using System.Diagnostics;
 using System.IO;
 using System.Linq;
 using System.Net;
 using System.Reflection;
-using System.Web;
 using System.Windows.Forms;
 
 namespace RobloxStudioModManager
@@ -219,18 +217,16 @@ private async void launchStudio_Click(object sender = null, EventArgs e = null)
 
         private void Launcher_Load(object sender, EventArgs e)
         {
-
             if (args != null)
                 openStudioDirectory.Enabled = false;
-
-            object registrySave = Program.ModManagerRegistry.GetValue("BuildBranch");
-
-            if (registrySave != null)
+
+            try
             {
-                string build = registrySave as string;
-                branchSelect.SelectedIndex = branchSelect.Items.IndexOf(build);
+                string build = Program.ModManagerRegistry.GetValue("BuildBranch") as string;
+                int index = branchSelect.Items.IndexOf(build);
+                branchSelect.SelectedIndex = Math.Max(index, 0);
             }
-            else
+            catch
             {
                 branchSelect.SelectedIndex = 0;
             }

src/Program.cs

@@ -12,11 +12,12 @@ namespace RobloxStudioModManager
     static class Program
     {
         public static RegistryKey ModManagerRegistry = GetSubKey(Registry.CurrentUser, "SOFTWARE", "Roblox Studio Mod Manager");
-        private static string _ = ""; // Default key/value used for stuff in UpdateStudioRegistryProtocols.
+        private const string _ = ""; // Default key/value used for stuff in UpdateStudioRegistryProtocols.
 
         public static RegistryKey GetSubKey(RegistryKey key, params string[] path)
         {
             string constructedPath = "";
+
             foreach (string p in path)
                 constructedPath = Path.Combine(constructedPath, p);
 
@@ -84,14 +85,23 @@ private static bool validateCertificate(object sender, X509Certificate certifica
         static void Main(string[] args)
         {
             // Delete deprecated startup protocol if it exists.
-            bool registryInit = bool.Parse(ModManagerRegistry.GetValue("Initialized Startup Protocol", "False") as string);
+            try
+            {
+                bool registryInit = bool.Parse(ModManagerRegistry.GetValue("Initialized Startup Protocol", "False") as string);
+
+                if (registryInit)
+                {
+                    string myPath = Application.ExecutablePath;
 
-            if (registryInit)
+                    RegistryKey startUpBin = GetSubKey(Registry.CurrentUser, "SOFTWARE", "Microsoft", "Windows", "CurrentVersion", "Run");
+                    startUpBin.DeleteValue("RobloxStudioModManager");
+
+                    ModManagerRegistry.SetValue("Initialized Startup Protocol", false);
+                }
+            }
+            catch
             {
-                string myPath = Application.ExecutablePath;
-                RegistryKey startUpBin = GetSubKey(Registry.CurrentUser, "SOFTWARE", "Microsoft", "Windows", "CurrentVersion", "Run");
-                startUpBin.DeleteValue("RobloxStudioModManager");
-                ModManagerRegistry.SetValue("Initialized Startup Protocol", false);
+                Console.WriteLine("Ran into problem while removing deprecated startup protocol. Ignoring for now?");
             }
 
             // Add Roblox HTTPS validation 

src/RobloxInstaller.cs

@@ -517,7 +517,7 @@ public async Task<string> RunInstaller(string branch, bool forceInstall = false)
                     setStatus("Writing AppSettings.xml");
                     progressBar.Style = ProgressBarStyle.Marquee;
 
-                    Program.ModManagerRegistry.SetValue("Buildbranch", branch);
+                    Program.ModManagerRegistry.SetValue("BuildBranch", branch);
                     Program.ModManagerRegistry.SetValue("BuildVersion", buildVersion);
 
                     echo("Writing AppSettings.xml...");