This document discusses common problems encountered when using Mule TCAT server and provides workarounds. It addresses issues such as servers becoming unreachable when IP addresses change, main screens not appearing in Internet Explorer 7, deployment interruptions when switching browser tabs, monitoring screens disappearing when increasing font size in Firefox, file name issues in Firefox downloads, SSL/TLS handshake exceptions, and the TCAT server service failing to start on Windows. Workarounds include re-registering servers with the current IP, adding sites to the trusted zone, waiting for full deployment before changing tabs, using default font sizes, deleting original files before redownloading, configuring alternative connectors, and verifying JAVA paths.