what is it? the "cisvc.exe" process in WinXP

I use WinXP OS.
Sometimes when I do nothing at all, the "cisvc.exe" process takes more than 50% CPU and 100~300M memory resource, and there seems to be some hard disk operations.
Is there something wrong?
[217 byte] By [_mynameisno1] at [2007-11-19 10:45:54]
# 1 Re: what is it? the "cisvc.exe" process in WinXP
http://www.experts-exchange.com/Operating_Systems/WinXP/Q_20585121.html - be sure you scroll down below all ads to find answers.

Hob
Hobson at 2007-11-10 3:40:22 >
# 2 Re: what is it? the "cisvc.exe" process in WinXP
I've got it, thank you.
_mynameisno1 at 2007-11-10 3:41:33 >