>When a new EXE is ready to deploy on the live system, I just put the EXE in a >certain directory and run Web Connection's Update EXE routine, which shuts >down any running instances, copies in the EXE, and the site keeps on running...

I believe this only works using COM-based. If you are using file-based you have to kill the process manually. I use a kill (quit) method in my app to handle this. Then you can go to the ~UpdateEXE and ~StartEXE urls.