Eddie- I had the same problem when I switched to win7.
This worked for me: Click start>control panel>hardware and sound>manage audio devices. Now click on recording tab and enable 'stereo mix' (sometimes called 'what you hear').
By clicking on the User Name, you will requery the forum for that user. You will see everything that he or she has posted with that Mudcat name.
By clicking on the Thread Name, you will be sent to the Forum on that thread as if you selected it from the main Mudcat Forum page.
By clicking on the Subject, you will also go to the thread as if you selected it from the original Forum page, but also go directly to that particular message.
By clicking on the Date (Posted), you will dig out every message posted that day.