diff --git a/src/vs/workbench/parts/extensions/electron-browser/extensionsWorkbenchService.ts b/src/vs/workbench/parts/extensions/electron-browser/extensionsWorkbenchService.ts
index d1a8344705ee88f67cb75bfc49abb80f97cfb6ae..8d766531de74e9977330088f94aa6049ff6edc4c 100644
--- a/src/vs/workbench/parts/extensions/electron-browser/extensionsWorkbenchService.ts
+++ b/src/vs/workbench/parts/extensions/electron-browser/extensionsWorkbenchService.ts
@@ -465,6 +465,12 @@ export class ExtensionsWorkbenchService implements IExtensionsWorkbenchService {
 			return;
 		}
 
+		const message = err && err.message || '';
+
+		if (/getaddrinfo ENOTFOUND/.test(message)) {
+			return;
+		}
+
 		this.messageService.show(Severity.Error, err);
 	}