---
title: Web Client is Not Running
description: "**ERROR MESSAGES** ***Web client is not running*** # Possible Problems and Solutions: The following table is designed to assist you with troubleshooting this error. | When The Error Message Was Received | Possible Problem(s) | Possible Solution(s) | | ---…"
url: "https://i2b2.org/docs/web-client-is-not-running/"
updated: "2026-09-15"
category: i2b2 Installation Guide / Chapter 7. Troubleshooting Installation Errors
---

# Web Client is Not Running

**ERROR MESSAGES**

***Web client is not running***

# Possible Problems and Solutions:

The following table is designed to assist you with troubleshooting this error.

| When The Error Message Was Received | Possible Problem(s) | Possible Solution(s) |
| --- | --- | --- |
| Received when attempting to log into the i2b2 Web Client | Your web server may not be running. | Check that your web server (httpd or iis) is running. |