From 6ce359752afac0d3d70c2cf5fabd7d92859564ee Mon Sep 17 00:00:00 2001
From: Sean Hall <r.sean.hall@gmail.com>
Date: Thu, 12 Mar 2020 16:22:04 +1100
Subject: Retry ElevationElevate once if we think it failed due to antivirus
 interference.

---
 src/engine/elevation.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/engine/elevation.cpp')

diff --git a/src/engine/elevation.cpp b/src/engine/elevation.cpp
index 1b9336e0..0b96c300 100644
--- a/src/engine/elevation.cpp
+++ b/src/engine/elevation.cpp
@@ -291,6 +291,10 @@ extern "C" HRESULT ElevationElevate(
             LogId(REPORT_STANDARD, MSG_LAUNCH_ELEVATED_ENGINE_SUCCESS);
 
             hr = PipeWaitForChildConnect(&pEngineState->companionConnection);
+            if (HRESULT_FROM_WIN32(ERROR_NO_DATA) == hr)
+            {
+                hr = E_SUSPECTED_AV_INTERFERENCE;
+            }
             ExitOnFailure(hr, "Failed to connect to elevated child process.");
 
             LogId(REPORT_STANDARD, MSG_CONNECT_TO_ELEVATED_ENGINE_SUCCESS);
-- 
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