While I understand the technical side of this story, and I understand the inconvenience of working with over-zealous timeouts, I'd kick your ass to the door if I found you side-stepping corporate security on a box that's important as you say it is.
in reply to Screensaver defeat for Win32
Sometimes, you change the code with an editor, sometimes you change the process with a phone call. You're not even sure if anyone ever did so much as ask! I don't mean to bust your balls, but I'm definitely one that encourages responsibility to fall on the shoulders that it *should*. IMO, it's a neat hack, but you're out of line, even if the PHB's *are* French...