svchost.exe LocalServiceNoNetworkFirewall

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A lot of terms which can be found on your PC. If you are not an expert in technologies, sometimes you may not know what they are and the functions of them. Sometimes, you need to know what they are and the functions of them because sometimes there are some terms which are actually a virus and you are not aware of it.

Things To Know About scvhost.exe LocalServiceNoNetworkFirewall

Now, what is scvhost.exe LocalServiceNoNetworkFirewall? According to the Local Service No Network site, there are some information that we get related to it. Here they are.

  • The name of the service host group is LocalServiceNoNetwork.
  • The description of the service is Windows Firewall API. It can help protect your PC by preventing unauthorized users from getting access to your PC through the internet or a network.
  • The service executable file path is in the C:\Windows\System32\Firewallapi.dll.
  • The service host launch command is C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork.
  • The service privileges are SeAssignPrimaryTokenPrivilege, SeAuditPrivilege, SeChangeNotifyPrivilege, SeCreateGlobalPrivilege, SeImpersonatePrivilege, SeIncreaseQuotaPrivilege.
  • The registry key is HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MpsSvc.

In the Microsoft Forum, you are able to find a thread about it. The title of the thread is LocalServiceNoNetworkFirewall Consumes Large Amount of CPU on a Regular Basis. In that thread, a user named StevenWhite6 tells that for the last 3 weeks or so, the service LocalServiceNoNetworkFirewall has been consuming 40 to 50% of his CPU. Then, if he restarts the system for some times, he is sometimes successful in lowering the amount of CPU being used by the LocalServiceNoNetworkFirewall. He is running Windows 10 version 1909 the Operating System Build 18363.752.

Another user named John1309 also experienced this thing. He suggests that you are able to reset your Windows Firewall to default settings. However, when he tries to do it, it cannot help him and he is also still in this position after hours of troubleshooting. Another user named adamwinn also give his answer on that thread. He suggests to try disabling IP Layer Enforcement for Cisco Umbrella. It is able to trigger the local firewall to use the CPU. However, the expected design should only consume a higher CPU for almost 60 seconds while setting up the IP blocks. Another user named juju_frenchie also agrees with adanwinn. It is because he also faced this issue in the past. Then, he opened a case at Microsoft support and the engineer found erc_service.exe as the root cause as well. He opened a case at CISCO support and the recommendation was to disable IP layer enforcement.

In the Windows 10 Forums, you are able to find a thread entitled scvhost.exe Service Host: Local Service (No Network) – Permanent CPU Usage. On that thread, a user named SlyBytes tells that he cannot find out why this module is using his CPU continuously (10% to 15% usage). There, he also informs the PC specs that are used by him.

Then, another user named Regedit32 answered that to fix it, you are able to confirm whether your IDE ATA/ ATAPI controllers are using the storahci,sys drivers. You are able to do that by doing these:

  • First, you have to right click on Start and then choose Device Manager.
  • Now, you have to expand the IDE ATA/ATAPI controllers.
  • Here, you have to right click on the listed device and choose Properties.
  • You have to choose the Driver tab and then you have to click on Driver details.

So, if you want to know more about svchost.exe LocalServiceNoNetworkFirewall, you are able to ask about it on some forums. You are able to find threads about it there or you are able to make a thread about it if there is no thread about it yet.

What is Svchost.exe?

It is also called Service Host or Svchost. But, what is it? You need to know it because sometimes there is a virus which uses the name of it. The definition of Svchost is a system process which is able to host from one to a lot of Windows services in the Windows NT family of operating systems. It is important in the implementation of shared service processes where a number of services are able to share a process in order to be able to reduce resource consumption.

To group a lot of services into a process conserves computing resources and the consideration was of certain concern to NT designers. It is because making Windows processes takes more time and it will consume more memory than in other operating systems such as in the Unix family. But, it is important for you to know that in case one of the services causes an exception which is unhandled, the whole process may be able to crash. Besides, to identify component services is able to be harder for end users. There are a number of issues with various hosted services especially with Windows Update. Those issues are reported by users and headlined by the press as involving svchost. You may wonder when the svchost process was introduced. Well, it was introduced in Windows 2000, even though the underlying support for shared service processes has been present since Windows NT 3.1.

You are able to find it in either c:\windows\system32 or c:\winnt\system32 directories. Why is it a different location? It is because it depends on the version of your Windows and also it may be located in the dllcache directory if it is present.

Svchost.exe is used as a common system process so that there are some malware often uses a process name of svchost.exe to disguise itself. So, it is important for you to know that the original system file svchost.exe is located in the C:\Windows\System32 folder. If you find any file named svchost.exe which is located in the other folder, it can be considered as a malware.

If you want to know whether your PC is infected by the malware which is running under the svchost.exe name, you are able to check it by opening your Windows Task Manager. So, you can press CTRL + ALT + DEL on your keyboard. After that, you have to right click on the svchost.exe which you suspect is malware and then you are able to click on the Open File Location.

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