Any exceptions trapped by the conferencing client are written to the CC.log file. The location of this file varies depending on the operating system:

Vista: C:\Users\<username>\AppData\Local\WiredRed
XP and 2000: C:\Documents and Settings\<username>\Local Settings\Application Data\WiredRed

I have attached a document to this post that explains how to obtain diagnostic information from your machine that we can use to troubleshoot this issue. Please follow the instructions in the document and submit the information to customercare@nefsis.com.