From 2b64de788bc74f611eaaf3900f5e3cbbe6796263 Mon Sep 17 00:00:00 2001
From: Matt Robinson <git@nerdoftheherd.com>
Date: Sun, 12 Oct 2014 16:11:45 +0100
Subject: [PATCH] Ignore access denied to set run on startup

If the user doesn't have write access (or their AV is preventing access)
to SOFTWARE\Microsoft\Windows\CurrentVersion\Run, ignore the problem
gracefully instead of crashing.
---
 Classes/OsUtils.cs | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/Classes/OsUtils.cs b/Classes/OsUtils.cs
index cc1263dd..a374a06c 100644
--- a/Classes/OsUtils.cs
+++ b/Classes/OsUtils.cs
@@ -183,7 +183,17 @@ internal static bool CompositionEnabled()
 
         internal static void ApplyRunOnStartup()
         {
-            RegistryKey runKey = Registry.CurrentUser.CreateSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run");
+            RegistryKey runKey;
+
+            try
+            {
+                runKey = Registry.CurrentUser.CreateSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run");
+            }
+            catch (UnauthorizedAccessException)
+            {
+                // Access denied by non-standard ACL or antivirus
+                return;
+            }
 
             if (Settings.RunOnStartup)
             {