Hi Jim,

As for the one click deployment, do you mean the .NET click-once winform
application deployment model?   As for windows vista UAC related deployment
issue, based on my experience, one thing is that you'll need to embed an
application manifest for your application and put UAC execution level info
in it. This will let the VISTA know what kind of privilege will your
appliction require at runtime.  

#ClickOnce Deployment on Windows Vista
http://msdn2.microsoft.com/en-us/library/bb384098.aspx

Does your click once application access some certain resource that may
require elevation of the privilege token. Or have you checked to see
whether the embeded manifest (the UAC level declared in it) varies from the
VS 2005 built on and VS 2008 built one.

For general test, you can also try building a simple click-once project(do
not put much complex code as your original one) and deploy through the two
means to see whether it will suffer the same issue.

Below is a general troubleshooting reference for vista UAC:

#Troubleshooting UAC
http://msdn2.microsoft.com/en-us/library/bb756955.aspx

Sincerely,

Steven Cheng

Microsoft MSDN Online Support Lead



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