Add better error message when wixnative.exe cannot be found

1 files changed, 5 insertions, 0 deletions

diff --git a/src/WixToolset.Core.Native/WixNativeExe.cs b/src/WixToolset.Core.Native/WixNativeExe.cs
index 92dcfdda..90ab0042 100644
--- a/src/WixToolset.Core.Native/WixNativeExe.cs
+++ b/src/WixToolset.Core.Native/WixNativeExe.cs
@@ -39,6 +39,11 @@ namespace WixToolset.Core.Native
 
         public IEnumerable<string> Run()
         {
+            if (!File.Exists(PathToWixNativeExe))
+            {
+                throw new FileNotFoundException($"Could not find internal piece of WiX Toolset at: {PathToWixNativeExe}", PathToWixNativeExe);
+            }
+
             var wixNativeInfo = new ProcessStartInfo(PathToWixNativeExe, this.commandLine)
             {
                 RedirectStandardInput = true,