diff --git a/src/browser.ts b/src/browser.ts
index 76fd14f42..003df1684 100644
--- a/src/browser.ts
+++ b/src/browser.ts
@@ -120,6 +120,7 @@ export async function launch(options: McpLaunchOptions): Promise<Browser> {
       userDataDir,
       pipe: true,
       headless,
+      dumpio: true,
       args,
       acceptInsecureCerts: options.acceptInsecureCerts,
       handleDevToolsAsPage: options.devtools,
@@ -142,9 +143,7 @@ export async function launch(options: McpLaunchOptions): Promise<Browser> {
   } catch (error) {
     if (
       userDataDir &&
-      ((error as Error).message.includes('The browser is already running') ||
-        (error as Error).message.includes('Target closed') ||
-        (error as Error).message.includes('Connection closed'))
+      (error as Error).message.includes('The browser is already running')
     ) {
       throw new Error(
         `The browser is already running for ${userDataDir}. Use --isolated to run multiple browser instances.`,