i am having great difficulty installing the sis 117e chipset driver for the agp.
every time i run it it states that access is denied and reverts back to it previous driver. I have just install a msi fx5600xt video card and am experiencing pobs i was told that updating the agp gart driver this would cure the prob but cant install it.

p4 2.53
geforce 5600xt 256
audigy sound
sis 655 chipset
1024 ram 333
gigabyte gasq800 motherboard

any help would be helpful