diff --git a/src/vs/workbench/services/extensions/node/extensionHostProcessSetup.ts b/src/vs/workbench/services/extensions/node/extensionHostProcessSetup.ts
index dc41f93c46cd74566bf3fc503a02f0457c01322c..ccd4e8259c02e813e11ba71cd5537938f0568cd8 100644
--- a/src/vs/workbench/services/extensions/node/extensionHostProcessSetup.ts
+++ b/src/vs/workbench/services/extensions/node/extensionHostProcessSetup.ts
@@ -268,7 +268,7 @@ function connectToRenderer(protocol: IMessagePassingProtocol): Promise<IRenderer
 				try {
 					process.kill(initData.parentPid, 0); // throws an exception if the main process doesn't exist anymore.
 				} catch (e) {
-					onTerminate(`parent process ${initData.parentPid} does not exist anymore`);
+					onTerminate(`parent process ${initData.parentPid} does not exist anymore: ${e.message} (code: ${e.code}) (errno: ${e.errno})`);
 				}
 			}, 1000);