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LuComServer_3_4.exe running in background slows system down and uses 90 % of processor time after startup.

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  • Anonymous Apr 18, 2008

    Same problem. LuComServer_3_4.exe runs at startup and continues to run. It consumes approximately 90% of CPU time except when LuCallBackProxy.exe interjects and consumes 90% of CPU time. This issue only started to occur after 31 March 2008. What the hell did Symantec do to my product?

    I've disabled "Turn on protection for Norton products" which apparently has reduced the occurrences of LuCallBackProxy (typically zero) however, the issue regarding LuComServer_3_4 remains.

    Until now I've been ok, but never satisfied with Symantec. Unfortunately, now I'll be switching to another product at renewal time.

  • Anonymous Nov 24, 2008

    My Computer stays at 100% sometimes down to 90%. I'm crawling. Help.

  • Anonymous Dec 20, 2008

    this is a nightmare!

    solution: uninstall

    and switching to AVG to solved it

  • Anonymous Jan 28, 2009

    Luconserver_3_4.exe process runs cpu 99%

  • Anonymous Mar 24, 2009

    i have the same 100% cpu prob...the only diff is i have uninstalled all norton products still its there.....plz help


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The solution is simple.the problem is coming up from Live update of norton.so either you turn off automatic updates in norton or if you don;t have it unistall live update software.

Posted on Oct 22, 2009

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U need this software or not.
if not then is this virus activity?
reply me try my best to give u solution.

Posted on Apr 03, 2008

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SOURCE: LuComServer has taken over my puter....

run an antivirus scan with powerful antivirus and access your computer using safe mode, clean registry using some reliable cleaner such as reginout cleaner. thanks

Posted on Jul 04, 2011

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Internet barely works


Step 1:
Most of the programs running in the background of your computer start automatically during PC reboot. These applications were added to the Windows startup menu during default installation. However, you probably do not need all of the programs that are currently running on your computer all the time. This only slows down your PC and the reboot time. Fortunately, you can access the Windows startup menu and remove the programs you do not need to have running automatically. Turning off the programs shuts them down until you enable them again through the "Start" menu.

Go to the "Start" menu, type "msconfig" in the "Start Search" box and press "Enter" to start the System Configuration utility. Click the "Startup" tab in the System Configuration window. Uncheck the programs that you want to turn off and stop from running in the background. Click "Apply" and "OK" to save the new settings. Restart your computer.

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My laptop slows down when opening it


Check your startup programs
Start>Run>Type msconfig in the run window
In the system configuration window go to the startup tab
From here you can disable startup programs

Disabling startup programs will only stop them from stating up. The programs will work as normal they wont run in the background if your not using them.

http://www.wikihow.com/Access-the-System-Configuration-Utility

Good luck!

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Slow computer shutdown


Tip #1: Cut down of the programs and processes running in the background.--When you start your computer many unnecessary processes are loaded. You can eliminate this by managing your msconfig.

Here is how:
1. Open your Start menu.
2. Click Run
3. In the command screen type "msconfig.exe"
4. In the system configuration utility,click either service or startup tab.
5. Uncheck all programs that your are no longer want to run in the background.
6. Click OK

Tip #2: Defrag your Computer--The faster your computer can find files the quicker it can shutdown. A very slow computer shutdown can be the result of your hard drive trying to search for disorganized and fragmented files that it needs for shutdown . Organize your hard drive by performing a defragmentation.
Here is how:
1. Open the Start Menu
2. Click on My Computer
3. Right Click your C: drive or your hard drive image.
4. Scroll down to the Properties and Click
5. In the Properties Menus, Open the Tools menu.
6. Choose Defragment Now.
7. In the Disk Deframenter menu. Click on Defragment

Tip #3: Clean your Registry- Usually slow computer shutdown often occurs due to a corrupted registry. You should perform a registry clean, use RegInOut to fix this issue instantly.

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Hi, My laptop taking so much time to switch on and it became very slow. Please tell me the soluiton for it.


Sometimes slow booting of computers and Laptops are caused by viruses and spywares. Also, a High temperatured Processor makes a computer slow.
Here are some solutions you might want to try.
  1. If you have a installed antivirus in your computer, i suggest you update your Antivirus and then Start scanning your computer for possible viruses and spywares.
  2. If viruses and Spywares are not the problem, maybe your Processor is feeling to much heat. I suggest you use Laptop Coolers like this one. heifentrixx_11.jpg
  3. This will help you cool down you Processor and Laptop.
Hope my solution will help. Thanks for using Fixya!

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2 Answers

Pavilion laptop, zt1155. Computer is incredibly slow lately. Installed Norton 360 and virus removed. When I run Outlook it "non responding" 3 out of 4 times. Computer will not Hibernate and lately I...


could be norton slowing down your pc takes a lot of memory to run i use avg free and spybot search and destroy again a free program before you remove norton do a google search for a program called hijackthis you can check if there's any unrecognised programs running on your laptop and if there is upload the log file to forums to get help one other forum user another thing that might be slowing your computer down is having too many programs running at startup go to accessories run command prompt program and type msconfig.exe when it loads look under the startup tab and untick the boxes of programs you don't need at startup then click on apply tab reboot pc you'll get a box popping up just put a tick in the box where it says don't show this again.then reboot and see if laptop runs faster

Jul 15, 2010 | HP Pavilion zt1155 Notebook

2 Answers

Besides keeping your cache clean,what else makes the computer run faster? IE: prosessor, ram, ??


Well a number of things will ensure your system runs fast however like most things your PC will need a MOT every 2 years i.e. a full reformat

However you can do the following to ensure your PC does not slow down

1) Dont visit any sites you are suspicious off as they will install malware and viruses will slow your PC right down
2) Dont install unecessary programs - only install prgrams you will use time and time again as others will install themselves in startup thus slowing down your startup times
3) You can install more RAM this will speed up the applications- ensure you get the right RAM for your motherboard and is installed by a professional
4) install a good free firewall and antivirus software like AVG or commodo to ensure you dont accumulate bad data

Hope this helps

Feb 08, 2010 | ASUS Computers & Internet

3 Answers

LuComServer has taken over my puter....


LuComServer_3_4.exe is a virus program.
Shut off Automatic Updates and the System Restore.
Run AVG and MalwareBytes Antimalware.
This will remove the memory hog infection.
For more help, go to pcHelperDesk.com

Jun 24, 2009 | Computers & Internet

2 Answers

Slow startup.............


This could be due to many things,from startup items to virus or worms.Try this first and post back
Click start,All Programs and scroll down the the startup folder,open it and delete anything in it.

More instructions can be given with more details from you.

Jun 07, 2009 | Microsoft Windows Vista Ultimate Edition

1 Answer

Processor is running at 700mhz only


Alot of times the processor speed will not show correctly immediately after booting. Give it a few minutes and then check again to see if it has changed.

As far as being slow, check what all is running in the background and disable anything that is not needed. For me that meens everything except my anti-virus software.

You can check what is running by going to the run menu and typing in msconfig. It is normally safe to uncheck everything in the startup tab except your AV). Then go the the services tab and put a check mark in the "hide all microsoft services" after that is done you can also disable in there.

Hope this helps

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Programs running in background on my pc


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I got it from downloads.com

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