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LUALL.EXE is part of Symantec's "Live Update" but it's also is a target for viruses that try to terminate it; preventing you from being able to update

What is luall.exe?

It appears to be a component of Symantec's "Live Update" technology as used by their security products. It's also a common target of viruses, who take steps to terminate it to prevent you from being able to update.

Article C2064 - June 15, 2004 « »

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Leo Leo A. Notenboom has been playing with computers since he was required to take a programming class in 1976. An 18 year career as a programmer at Microsoft soon followed. After "retiring" in 2001, Leo started Ask Leo! in 2003 as a place for answers to common computer and technical questions. More about Leo.

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22 Comments
Gary
July 14, 2004 3:07 PM

Hi,how do you delete mcvsrte.exe,apuc.dll,vso?I keep getting "access denied messages",and i cant seem to find the files in the registry.

Leo
July 14, 2004 5:47 PM

I guess I don't understand what the registry would have to do with it. I'd look first to find out what application has the file open. This article may help: http://ask-leo.com/archives/000101.html

pat
August 1, 2004 3:12 PM

my luall.ex. is missing is there a way to get it back?

Leo
August 2, 2004 10:11 AM

I would assume from wherever (CD or download) you installed your Symantec product from.

rick
September 18, 2004 2:18 PM

lost live update on Norton Anti Virus. Want it back.

Leo
September 18, 2004 2:22 PM

I'd reinstall NAV.

derrick ratcliffe
September 28, 2004 9:02 AM

I renewed my Norton Internet Security 2003 on
9-19-04, received E-Mail confirmation and completed the installation per instructions. Since then the system has been infected with the Luall virus that has blocked me from getting into various sites. I have used the numerous instructions on the Norton site, talked to their technicians and also Comcast, Dell and the local library technicians, also a friend who teaches computer programs, none of them know how to resolve the problem.
In addition, although I have updated the Norton Security system regularly the virus definition date now shows as 11-13-02, ten months before I bought the system and says my subscription has expired. I have spent the last eight days trying to get rid of the virus even to the point of of trying to delete the Norton program and having to go into MD-DOS to do so, only to find out that it affects the start up program and I have to reinstall the Norton program.
When I use Live Update to scan the system is says there are zero virus' but I continually get a message saying "Norton has encountered an internal program error, click for more information about this error 30050597" when I click I get a blank screen. The same thing happens when I click on other HELP screens.
It's driving me crazy so any help you can give me will be greatly appreciated. Derrick Ratcliffe [personal information removed]

dani
October 29, 2004 6:23 AM

I think that I have get the virus called luall, so it closed my opportunieties to do the live Upgrade...When i try to do the scansation of my sistem, Norton tell me that i have to do the upgrade, who's not work well...How can I remove luall from my System disk?

crowe98
November 25, 2005 2:35 AM

Tried to delete norton internet security to install a updated version but needed supervisor account to log in but couldn't find that. Now it says auto protect driver didn't load and somewhere along the line, luall.exe is missing. Have tried using CDROM but to no avail as supervisor account keeps coming up. I can no longer view any site that has security like email, banks, MSN. Hope you can help.

Leo A. Notenboom
November 25, 2005 9:55 AM

If by "supervisor" you mean an account with administrative access to your PC, your first step should be to locate that. Most of these utilities require admin access to be modified.

The symptoms you describe really sound like a spyware infection. http://ask-leo.com/spyware_how_do_i_remove_and_avoid_spyware.html

crowe98
November 27, 2005 1:44 AM

Re: Your comments/advice on 25 Nov. Downloaded MS Beta Antispyware and found a trojan, now removed. However, still cannot access Norton account to log in and still cannot enter into email accounts, etc. Any further suggestions? PS. Thanks for help so far.

m. huson
February 12, 2006 2:19 PM

i dont understad that much about pc as iv only had mine 4 months,ithought that putining noton anti v. would be a good idea.ifind my pc has had more problems than before,how can i get it off my pc.and will luall ruin my pc .

Leo
February 12, 2006 7:21 PM

In Control Panel, hit "Add/Remove Programs", and you should be able to uninstall it from there.

Georgia
March 6, 2006 9:25 PM

Dear Leo,
I have XP professional , but my compiuter not has instaleit LUALL.EXE, permanent NORTON send allert .
Thanks !

Kadai
October 15, 2006 12:54 AM

Hi everyone,
I used to have a very similar problem with luall.exe program... whenever I do used to conect to the internet, the AntiVirus started to scan several number of mails to fake address [like kwilleidunno@gmail.com] and the usage of the conection was almost imposible.

I fixed the problem at first *recovering* the system from my Recovery DVDs [I'm using a HP Pavilion dv1000] and it worked fine again...

But then, after I do reconfigured my LAN, I do noticed about a very rare exe in my shared folder... and after running it [norton never warned me] I started to get the mail sending problem again.

I was able to fix it again just deleting the luall.exe file... and I have the exe that caused it also [Still on my LAN somewhere, I think... the program named itself "setup.exe" and it has a size of 39.5 KB (40,448 bytes)] ... but I don't know if Symantec knows about this problem.

Hehe... just sharing personal experience with everyone @-@; ... and hoping someone find it usefull.

luall.exe
October 3, 2007 9:55 PM

my pc luall.exe file is can not find .Please can you send this file.
Thanks,
Roshan

jomz
November 6, 2007 12:13 AM

go to symantec.com search for "Luall.exe" the first returned item will be about "Luall.exe stopped working" (or something)...i downloaded the autofix and run it and voila!!!...its now fine and running once more

Jeff Linnert
January 30, 2008 8:10 PM

I just upagraded my Symantec virus from 2007 to 2008, and now Windoctor keeps telling me LUALL.exe can't find mfc80.dll. When I try to copy it into the \symantec\liveupdate directory, I get an error message about not having authorized access.

Of course Symantecs web site knows nothing, as always. Caching!

Tyler
July 18, 2008 11:00 PM

Everytime I try to run LiveUpdate, The entry Point for luall.exe is Not Found...
I've tried running the tool from symantec for the luall.exe file, and i stil can't get it to work...

This is exactly what the window says when I try to "Fix Risks":
"The procedure entry point GetNextDlgTabItee could not be located in the dynamic link library USER32.dll."

Please try and help, and thanks for your time

jerry
September 22, 2008 11:59 AM

i need the luall.exe file for norton please help me

Exhibition
May 2, 2009 3:22 AM

my laptop is still allive. thanx

Dman
February 16, 2010 9:07 AM

As of 2/16/10, this link goes to Symnatecs download page for fixing luall.exe. Which is just a part of Live Update.

http://service1.symantec.com/support/sharedtech.nsf/0/44e1d51cfeaab54a88256c8d00608e5e?OpenDocument&seg=ag&lg=en&ct=us

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