Are you getting the Temp folder fulll error ?

I found logging in as the actual administrator bypasses the UAC, which in
turn seems to cause Adobe to have this problem, the same as having the UAC
turned off. I found that running the Installer in XP compat mode got around
this issue.

<kevpan815@hotmail.com> wrote in message
news:eVvEtfLcHHA.3672@TK2MSFTNGP02.phx.gbl...
> Bug: Adobe Reader 8.0 Fails To Install When Logged In As The Built In
> Administrator Account.
>
> Affects Both Windows Vista RTM And The Latest CTP Preview ( Febuary 2007)
> Of Windows Vista Server Edition.
>
> Kevin John Panzke (MSDN Operating Systems Level Subscriber)
>
> kevpan815@hotmail.com
>
>
>