diff --git a/UAssetAPI b/UAssetAPI
index 5c5122c..84c5799 160000
--- a/UAssetAPI
+++ b/UAssetAPI
@@ -1 +1 @@
-Subproject commit 5c5122ce1bdcd2e02dcd4dd631dd7445626f3f3a
+Subproject commit 84c57997ace0f086606c82b2b7167413472c4324
diff --git a/UAssetGUI/Form1.cs b/UAssetGUI/Form1.cs
index 41a3f14..b74740a 100644
--- a/UAssetGUI/Form1.cs
+++ b/UAssetGUI/Form1.cs
@@ -646,7 +646,11 @@ private void LoadFileAtInternal(string filePath)
                 if (jsonTracingPath != null && (failedToMaintainBinaryEquality || failedCategoryCount > 0))
                 {
                     // if ser-hex-viewer available (https://github.com/trumank/ser-hex), run that
-                    Process.Start(new ProcessStartInfo("ser-hex-viewer", "\"" + jsonTracingPath + "\"") { UseShellExecute = false });
+                    try
+                    {
+                        Process.Start(new ProcessStartInfo("ser-hex-viewer", "\"" + jsonTracingPath + "\"") { UseShellExecute = false });
+                    }
+                    catch { }
                 }
 #endif