lsass.exe? A utility of a virus?

From: Xero (Xero_at_discussions.microsoft.com)
Date: 08/30/04 

Date: Sun, 29 Aug 2004 23:31:04 -0700

Hello.

I am using Win XP Professional.

I have noticed that a program called 'lsass.exe' causes my computer to hang
very often. Then I asked a friend of mine to see if it is a virus. (He is
using Win XP Home Edition) He said 'yes' and advised me to delete it. But
when I try closing in the Task Manager, it said that 'This (lsass.exe) is a
critical system process. Task Manager cannot end this process.'

I can't terminate this thing, let alone getting rid of it.

Is it really a virus? Or just another background utility?
Thanks. 

-- 
Xero
http://www.chezjeff.net

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