Fix Lucoms~1.exe Problem – How to Solve Lucoms~1.exe High CPU Utilization?

If you use Symantec Internet security suite, you may experience the frequent high CPU usage caused by lucoms~1.exe. When open Task Manager, you may find that the process consumes 80% to 90% of the CPU. Although this phenomenon disappears after a while, it makes your computer perform slowly. How to deal with this problem? Here are several solutions to lucoms~1.exe problem.

What is lucoms~1.exe?

It is LiveUpdate Engine COM Module, which is a part of Symantec Internet security suite. Whether you have Norton Antivirus, Norton PCAnywhere, Norton Personal Firewall, or Norton Internet Security, the process can deal with Norton’s LiveUpdate and keep your security product updated from the latest cyber threats. Usually, this process runs automatically in the background of your computer system and checks if there are available updates for the security products. Most computers have a trial version of Norton pre-installed. So even if you use another antivirus program, the process may still exist on your computer. This process is not a threat, but it often takes up a large amount of CPU.

Common problem:

Many computer users find out that lucoms~1.exe can hog your CPU and affect your PC performance. It may continually take up 60% to 90% of the CPU for looking for updates. Look at the LiveUpdate session status and you can see that the process is trying to get everything up-to-update.

 

Causes of the problem:

1. This problem may appear if the Norton Antivirus software is outdated. If the software is out of version, the process may try to search for the updates every time you connect to the Internet.
2. If your computer hasn’t installed the latest Microsoft patches, the error also occurs.
3. There are virus infections on your computer. It is probably that the high CPU is caused by a virus on your PC. It can disguise as the process and consumes a lot of computer system resources.
4. Your Windows registry contains an error. If there are invalid registry entries on your computer, the problem may also show up.

How to fix lucoms~1.exe high CPU issue?

Solution1. Update your Norton security program to the latest version.

If there are updates available for your Norton security program but you haven’t had them installed on your PC, the high CPU caused by the LiveUpdate Engine COM Module might often occur. You can surf the Internet, download and install the most current version of the program to correct the problem.

Solution2. Reinstall the Norton security program.

Sometimes, if the Norton security products like Norton360 and Norton Internet Security on your computer contain an error, the problem might also occur. You can fix this problem by reinstalling the security program. For Windows 8, follow the steps below to uninstall it.

Go to Apps, and under Windows System, click Control Panel.

 

In Windows Control Panel, click Programs > Programs and Features.

In the list of currently installed programs, click Norton Internet Security, and then click Uninstall/Change.

 

In the page that appears, under Select Your Uninstall Preference, click one option asked and confirm the removal of the program.

For Windows Vista and Windows 7, follow the steps below to remove the software from your computer.

Step1. Click Start button, select Control Panel.

Step2. Select Programs and then go to Programs and Features.

Step3. Select the program you desire and click Uninstall to remove it.

After you have completely uninstalled the program, restart your computer and reinstall the program.

Solution3. Repair Windows registry.

Occasionally, it is the registry error which causes the high CPU utilization. Windows registry is a database that stores the data of applications and hardware. If there are invalid registry entries on your system, many computer errors may appear. Some programs won’t be able to run properly. The high CPU usage caused by lucoms~1.exe may be due to the registry errors. You can try fixing the registry errors to fix the problem.

Therefore, if you are annoyed by the frequent high CPU usage related to the process, follow the solutions mentioned above to deal with it. If you want to use another antivirus program instead, you can remove the software related to this process. If your Windows registry contains an error, download a registry cleaning tool to solve lucoms~1.exe high CPU problem automatically and safely.