Okay, so I am just into my new kick of running without Administrator rights and I hit the first snag. A few years ago I set an item in my Outlook task list called "Update Tuesday". It goes off every tuesday and its to remind me to go and visit things like Windows Update and to update my anti-virus signatures (I run in roaming mode since I VPN in rarely now that we are using RPC over HTTP for Outlook).
It popped up just a few moments ago and I robotically went off to Windows Update and it told me that I need to have Administrator rights. No problem, I just logged out and logged in as the Administrator, although next week I think I might try and find a way to do with by launching IE with the runas command - although that could be risky given what WU does 
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The next item on the task list is updating the anti-virus signatures. This would have worked just fine except I had paved my machine since the last Update Tuesday and I need to re-install it from scratch. Since I was already logged in as Administrator I VPN'd into work and went to the anti-virus server and kicked off the ActiveX-based auto-downloader for the anti-virus software. Worked a treat. I am now back in roaming mode, logged in with my POUA (Plain Old User Account) and it updates the signatures across the Internet just fine.
Back to your regularly scheduled coding . . .