There are a couple of possibilities. There are utilities that will allow you to run an application as a service, meaning it will run all the time without any interaction, much like your antivirus probably does. Google for something like
run application as service for more info.
Or you can use the Application Compatibility Toolkit to create an 'application fix'. Then run the application as a scheduled task or in your startup folder. A good tutorial of the Application Compatibility Toolkit usage is here
http://www.vista4beginners.com/Disable-UAC-for-certain-applications
Steve Hebert - Microsoft MVP, Internet Explorer