xp serv. pack 2 failed...error code 8007FOCC???

Every time i attempt install i receive message telling me install failed. and
i receive error code 8007FOCC. somebody tell me whats going on.

Thanx

0x8007f0cc - STATUS_KERNEL_NONSTD
The core system file (kernel) used to start this computer is not a Microsoft Windows
file. The Service Pack will not be installed.
http://support.microsoft.com/?kbid=327101
Error message: Windows has detected that one or more protected core system files
(kernel) on your computer have been modified


"jyms cowboy" <> wrote in message
news:72517F63-E134-4180-A1D2-...
> Every time i attempt install i receive message telling me install failed. and
> i receive error code 8007FOCC. somebody tell me whats going on.
>
> Thanx