Here's a writeup on how to do this: How to Suppress Vista Security Pop-Up Windows.
Monday, September 29, 2008
Handling Security Issues in Vista
We've heard from some users that Vista's enhanced security is interfering with some eValid test playbacks, and with some eValid site analysis runs. We're certainly in favor of Vista's enhanced security, but for production purposes in case you wish to modify that here is the way to do it.