Changing UAC decisions?

> While I realize home versions cannot change the UAC security levels, can
> anyone tell me how to change a setting selected through the UAC?
>
> In this case during installation of other software, the setting was made
> to
> "always" engage setup.exe.
> misclick or misunderstanding I couldnt tell you, but now, even for
> programs already installed, insertion of the disc leads to an instant
> "setup
> would like to run" message.
> Some programs require the disc to be in the drive.. now its attempting to
> reinstall everytime I go to use those programs and place the disc in the
> drive.
>
> Is shutting off the UAC my only option in home edition? (as opposed to
> resetting to default)
> if so... wow.. bad call Microsoft.