open file - security warning - system.exe

G

Guest

need some help here please. Windows xp sp2

My daughter who uses msn messenger clicked on a link a friend had on
messenger and ran it. Now every time I log on (to any of the 4 accounts we
have on this computer) we get the open file - security warning box come up
every time. it also has the follwoing on it....
Name - system.exe
Publisher - Unknown
Type - Application
From - C:\windows\System32

Run or Cancel

I have Norton Antivirus 2005 and noticed that it was disabled after my
daughter clicked on the link in her chat with her friend. I turned it back
on and re booted my machine. I checked my nortons and discovered that now
the live update was disabled. I fixed that then went to see if I needed any
updates from msn but could not because automatic update was disabled. I
fixed that and I have all available updates...none were needed.

I also went to Norton's on line virus and security check and they did a scan
and said I was clean and well protected. I have run Norton's live update and
got the latest virus definitions and ran my Norton's full scan and it came up
no viruses.

I also ran Ad-Aware and also came up clean.

Not sure what I should do next? I have re:booted several times....and every
time this security warning comes up as soon as you log on to any of the user
names. It only happens when you first log onto each identiity...you can
switch identities after and it doesnt re-appear. But does happen 4 times...1
for every identity.

Can I restore my computer to a past date ( like last Friday) to see if that
fixes it? or should I do that?

Jeannie
 
T

Thorsten Matzner

Jeannie said:
need some help here please. Windows xp sp2

My daughter who uses msn messenger clicked on a link a friend had on
messenger and ran it. Now every time I log on (to any of the 4 accounts we
have on this computer) we get the open file - security warning box come up
every time. it also has the follwoing on it....
Name - system.exe
Publisher - Unknown
Type - Application
From - C:\windows\System32

Scan your system from the Safe Mode. This may indicate a virus
infection.
"A Description of the Safe Boot Mode Options in Windows XP"
(http://support.microsoft.com/?kbid=315222)
 

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