"Access is Denied" when attempting to install NVidia drivers

I am the administrator of my PC, yet when I attempt to
install new drivers for my Geforce 4 I will get "Access
is Denied" errors at the end of the process. Nothing is
overclocked or disturbed. XP Home won't take anything
other than the default XP drivers. HELP!

SPECS:

P4 2Ghz Processor (not celeron)
Intel Motherboard
512mb RAM
80Gb HD
Geforce 4 Ti 4400 128mb (about a year old)
Windows XP Home

Have you tried installing the video drivers in "safe mode"?

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Content-Class: urn:content-classes:message
From: "James"
Sender: "James"
Subject: "Access is Denied" when attempting to install NVidia drivers
Date: Mon, 15 Mar 2004 19:20:25 -0800
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I am the administrator of my PC, yet when I attempt to
install new drivers for my Geforce 4 I will get "Access
is Denied" errors at the end of the process. Nothing is
overclocked or disturbed. XP Home won't take anything
other than the default XP drivers. HELP!

SPECS:

P4 2Ghz Processor (not celeron)
Intel Motherboard
512mb RAM
80Gb HD
Geforce 4 Ti 4400 128mb (about a year old)
Windows XP Home