Pegasus Mail & Mercury

I was having a problem with running Mercury on Vista because of Service interaction detection. Some one suggested to run Mercury in application mode. I am completely new to Mercury could some on guide me to a step by step instructions on running in application mode. Thank you in advance.

I recently downloaded and installed xampp. I received Mercury mail as part of the package. I installed everything correctly. I can open up xampp control panel and start mercury. The problem is every time I try to open the Mercury admin set things up I get a windows popup window which says that a program can not display a message on your desktop. ...