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My son has an Advent 6415 combo notebook. It is running Win xp with all updates installed. It has suddenly started shuting down during startup and reboots automatically, shuts down and so on. Just before it shuts down it displays the following error message....lsass.exe System Error. When trying to update a password, this return status indicates that the value provided as the current password is not correct.
I have tried last known good configuration and safe mode but it never gets past this point.
I sass or L sass?
Lsass.exe is a sasser worm
It is Isass, sorry for the confusion
Isn't it the other way round L is ok I is the virus?
A full virus scan was done at the weekend as routine. I have checked again and due to the typeface it could be either. It looks like a lower case L as it is just a straight downstroke.
Process File: lsass or lsass.exe
Process Name: Local Security Authority Service
lsass.exe is a system process of the Microsoft Windows security mechanisms. It specifically deals with local security and login policies. This program is important for the stable and secure running of your computer and should not be terminated.
Note: lsass.exe is a process which also relates to trojan and worm security threats spread via e-mails and peer-to-peer sharing networks such as Kazaa. The trojans allows attackers to access your computer from remote locations, stealing passwords, Internet banking and personal data. It is a registered security risk and should be removed immediately.
Determining whether this process is a virus or a legitimate Windows process depends on the directory location it executes or runs from
you are correct getting my L and I mixed up.
Before you begin:
If you are running Windows 2000 or XP, and have not yet done so, you must patch for the vulnerability described in Microsoft Security Bulletin MS04-011. If you do not, it is likely that your computer will continue to be reinfected.
What to do if the computer shuts down before you can patch or get the tool.
This threat can cause Windows to keep shutting down and restarting. This can prevent you from installing the Microsoft patch or downloading the tool described below.
* Notes: You may have to try this several times, as you only have about 20 seconds to do steps 3 to 6.
* This will not work on Windows 2000.
To prevent the shut down, do the following:
1. Disconnect the computer from the network/Internet connection. (Disconnect the cable if necessary.)
2. Restart the computer.
3. As soon as Windows opens and you see the Windows desktop, click Start > Run.
6. In the Remote Shutdown Dialog that opens, do the following:
1. Click Add, type your computer name into the Add Computers dialog box, and then click OK.
2. In the "Display warning for" field, type 9999.
3. Type the following text in the Comment box:
Delay Lsass.exe shutdown.
4. Click OK.
7. Reconnect the network/Internet connection.
8. Connect to the Internet, and get the patch. Then continue with the steps described below.
When you have patched your computer and removed the threat, you can re-enable the 20 second default warning if you wish.
Disable System Restore (Windows XP)
If you are running Windows XP, we recommend that you temporarily turn off System Restore. Windows XP uses this feature, which is enabled by default, to restore the files on your computer in case they become damaged. If a virus, worm, or Trojan infects a computer, System Restore may back up the virus, worm, or Trojan on the computer.
Windows prevents outside programs, including antivirus programs, from modifying System Restore. Therefore, antivirus programs or tools cannot remove threats in the System Restore folder. As a result, System Restore has the potential of restoring an infected file on your computer, even after you have cleaned the infected files from all the other locations.
Also, a virus scan may detect a threat in the System Restore folder even though you have removed the threat.
Scan again for viruses. Switch restore back on if clean.
Thanks to all who helped. I managed to retrieve all important files using Norton rescue disc and reformated and reinstalled the software.
Now in perfect working order
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