From 2423b9fd0aac2c056dcfe3a2b0b7d6ee10fae18d Mon Sep 17 00:00:00 2001
From: jthedering <51533355+jthedering@users.noreply.github.com>
Date: Mon, 20 May 2013 18:10:07 +0000
Subject: [PATCH] Fixed: Installation to device that has an FxProperties
 registry key but no APO guid value.

---
 DeviceAPOInfo.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/DeviceAPOInfo.cpp b/DeviceAPOInfo.cpp
index cb7fe21..8f274b3 100644
--- a/DeviceAPOInfo.cpp
+++ b/DeviceAPOInfo.cpp
@@ -165,7 +165,7 @@ void DeviceAPOInfo::install()
 
 		RegistryHelper::writeValue(keyPath + L"\\FxProperties", fxTitleValueName, L"Equalizer APO");
 	}
-	else
+	else if(originalApoGuid != APOGUID_NOVALUE)
 	{
 		RegistryHelper::saveToFile(keyPath + L"\\FxProperties", guidValueName,
 			L"backup_" + StringHelper::replaceIllegalCharacters(deviceName) + L"_" + StringHelper::replaceIllegalCharacters(connectionName) + L".reg");