What is svchost.exe LocalServiceAndNoImpersonation -p and How to Prevent It When Windows Start Up

By | October 20, 2020

A lot of people have been noticing about the existence of the svchost.exe (LocalServiceAndNoImpersonation) in the Task Manager and have been wondering about the functionality and the necessity of the process. So, what is svchost.exe (LocalServiceAndNoImpersonation)?

Windows 10 is the newest and the greatest operating system of Microsoft. This one comes with a lot of improvements when it comes to the performance compared to the previous versions. On top of that, it also includes a bunch of additional services. Those services are run by Windows in the background and they are able to be only observed by launching the detailed version of Task Manager. Each service has the responsibility to execute the certain background tasks and all the integral processes related to Windows.

Usually, Windows runs the services in the background under the guise of svchost.exe. In fact, there are a lot of entries of svchost.exe running in the background at the same time. It is done intentionally with the aim to prevent the crashing of the entire operating system if a certain service crashes. The svchost is described by Microsoft as a generic host process name for services that run from the dynamic-link libraries.

svchost.exe (LocalServiceAndNoImpersonation)1

The thing called svchost.exe (LocalServiceAndNoImpersonation) sounds so suspicious and it catches a lot of users off guard as a lot of viruses or malwares are popular to run in the background pretending to be something else. However, this process is linked to the Windows App Locker application and is located in the System32 folder.

What should you do to prevent the svchost.exe (LocalServiceAndNoImpersonation) running in the background? In this guide, you will learn to stop the svchost.exe (LocalServiceAndNoImpersonation) from running in the background by clearing all the configurations for its root application Windows App Locker. Please take note that by doing so you will be resettings all the app locker related configurations. In order to prevent the svchost.exe (LocalServiceAndNoImpersonation) from running in the background, the first thing that you will have to do is to press the Windows and R at the same time to open the Run prompt. Then, enter in the following command and press Enter: secpol.msc. The next thing that should be done is to double click on the Security Settings and then double click on the Application Control Policies. After that, right click on the AppLocker option and then choose the Clear Policy option. When it is done, click on the Yes button in the warning prompt to clear out all the rules. the step will not set the Windows App Locker policy to the unconfigured and it will no longer run in the background.

Is the svchost.exe (LocalServiceAndNoImpersonation) considered as a virus? There are a lot of viruses or malware that pretend to be the trusted Windows services. This one has quite unordinary name and is commonly seen when a certain application is launched. However, it is 100% safe and does not have anything to do with any malware or virus. Basically, you are recommended to let it run in the background as long as it is located inside the System32 folder. You are able to right click on the process in the Task Manager and then choose the Open File Location if you want to identify the root folder.

Just like any other svchost.exe processes, svchost.exe (LocalServiceAndNoImpersonation) usually causes high CPU usage. The high CPU usage slows down the performance of your system. In other words, everything is lagging. Sometimes, the issue is gone when you restart your computer and it goes back to normal. Unfortunately, it will not last long. The issue will occur again after just a few hours. The simplest way to find out why it causes the high CPU usage issue is to stop all Windows services in LocalServiceAndNoImpersonation. Please do it one by one until you find the cause.

The second method that you can try is to update your antivirus and scan your computer. One of the main reasons for high CPU usage is your computer has a virus. To be sure that a virus is not causing too much space, you should update your antivirus software. Since each antivirus is different compared to the others, it is not easy to explain the exact instructions for doing this.

If you want to update the built-in antivirus called Windows Defender, you can just type Windows Defender into the Start menu, choose it, and click Check for Updates Now when it opens. Once the antivirus is updated, run a complete system scan. The process of scanning can take a long time, but it is important to make sure that you do not have a virus bothering you or using the svchost.exe process. Once the scanning process is done, remove any viruses found by the antivirus and restart your computer.

For those who are currently using a third party antivirus, you are able to visit the official website of the manufacturer for the specific instructions on how to update it. Once the antivirus has been updated, you will also have to make sure that the Windows Defender is disabled.

In some cases, the Windows Update can create an issue related to svchost.exe (LocalServiceAndNoImpersonation). It may be the reason why your computer has to be updated. If you want to see if the Windows Update is causing the svchost.exe (LocalServiceAndNoImpersonation) to use too much CPU usage, firstly, you should try to update your computer manually and allow it to sit running overnight. It will enable you to see if the issue is fixed and stopped or if a missing update is done. If the issue is still there and it still consumes most of your processing power, there is a built-in troubleshooter of Windows 10 that you can use. First, enter “Windows Update” into the search and open it. then, click Checks for updates. Next, go back to Windows update and click Troubleshoot on the left column menu. After that, click Windows update and click Run the troubleshooter when it shows up. In the end, Windows Update will start checking for issues. Please follow the guide to repair them.

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