What version of gRPC and what language are you using?

gRPC 1.6 C# for client,nodjs for server. Both use grpc 1.6

What operating system (Linux, Windows, …) and version?

Client: Windows7 x64 ,Windows10 x64
Server:Center os7

What runtime / compiler are you using (e.g. python version or version of gcc)

VS2015 .net4.5

What did you do?

If possible, provide a recipe for reproducing the error. Try being specific and include code snippets if helpful.
Just Connected the Nodejs GRPC server,and do some ping operation by Ping method what difined via grpc，receive the push data form nodejs grpc server。

What did you expect to see?

do not crash my c# App.

What did you see instead?

Error module name: grpc_csharp_ext.x86.dll, version: 0.0.0.0, timestamp: 0x59bbb7e1
Exception code: 0xc0000409
Error offset: 0x000cdc8f
and this exception can not catch in C# program.

Make sure you include information that can help us debug (full error message, exception listing, stack trace, logs).
Error module name: grpc_csharp_ext.x86.dll, version: 0.0.0.0, timestamp: 0x59bbb7e1
Exception code: 0xc0000409
Error offset: 0x000cdc8f

Anything else we should know about your project / environment?