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What Is Generic Host Service?

5 replies to this topic

#1 darkool


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Posted 12 April 2005 - 11:47 AM

Any one can explain me what a hell its this ?

Every time i'm in my PC , few minutes after apears a window saying that Gerneric Host Service had to be closed , i'm using Windows XP SP2 Full Updated and the erros dont stop show up , i already format my C:\ but the problem still there. I dont know what else can i do.

cheers :rolleyes:

#2 miCRoSCoPiC^eaRthLinG


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Posted 12 April 2005 - 02:57 PM

Generic Host Service is directly related to a file named svchost.exe found both on Win2K and WinXP - this file itself isn't a service, but it helps running several different windows services dynamically as demanded by the OS. Normally you'd see around 3-4 copies of this service running if you open your Task Manager and see the process list. If you have more than 4 - it's trouble brewing (or already hard brewed) for you. Since this file handles lots of important but regular tasks of the OS, this is the most likely target for virii and worms. Most such virii attach themselves to this file causing it to malfunction and print out such error messages quite often.

First thing you should do is do a thorough virus check of your system again - also check for Worms like Blaster which are known to make this file a prime target. If all else fails, check the file size on your system and compare it with a clean system. See if there's any difference. Sometimes even bad RAM can fire off such errors.

If you want to read more about these services, check out this article:

Services Reliability
The last area of reliability improvements is in the area of the services infrastructure. Prior to Windows 2000, some services shared a process with other services and some ran in their own process. Windows 2000 introduced the generic service host process, Svchost.exe. The goal was to reduce system resources by consolidating the various processes hosting built-in operating system services into a single process. Or, it could permit the system administrator to configure the system to run certain services in their own processes, which would prevent one service from corrupting the private memory of other unrelated services (this capability is not documented or supported yet).
If you look at the Windows XP process list in Task Manager , you will notice at least four Svchost.exe processes: two running under the SYSTEM account (sometimes referred to as LocalSystem) and two running under two new service accounts: NETWORK SERVICE and LOCAL SERVICE.

One of the two Svchost processes running under SYSTEM hosts the bulk of the services, 29 of them in total. The second one hosts a single service, Remote Procedure Call (RPCSS). The reason this service needs to be in a separate process is that user-written DLLs are loaded into this process. By having RPC running in its own process, these DLLs cannot adversely affect the operation of the other built-in operating system services. The Svchost process running under NETWORK SERVICE hosts a single service, the DNS Client. The Svchost process running LOCAL SERVICE hosts the TCP/IP NetBIOS Helper, Remote Registry, Simple Service Discovery Protocol, and Web Client services.
The reason for the two new service accounts is to improve system security by reducing the privileges that services run with. LOCAL SERVICE is a built in account that doesn't need a password to log on. The account has only a few privileges, and is not a member of the local administrators group. So, if a service that is running under this account is compromised, it cannot take down the whole machine. LOCAL SERVICE also has no network credentials, so attempts to access a machine on the network will connect with the null session. The NETWORK SERVICE account has the same set of privileges as LOCAL SERVICE, but has access to the machine's credentials for outbound connections, similar to the SYSTEM account.

Source: http://www.computing.../forum/272.html

Some more articles with similar problems as yours:
1. http://www.geekstogo...ice-t14850.html
2. http://startup.iamno..... Service.html
3. http://forums.techguy.org/t344557.html
4. http://www.pcreview....ice-id-1821.php
5. http://www.sophos.co.../w32rbotjr.html
6. http://www3.ca.com/s...s.aspx?id=39316
7. http://securityrespo.../w32.cycle.html

#3 darkool


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Posted 12 April 2005 - 03:44 PM

i already check the system looking for virus... found none. this problem as been affecting me a while ago i'm i sick and tired to have him . at first i though that was a update missing but i already have all updates. worms ? i already searched in microsoft for some kind of patch to fix this problem .. useless. thank you for helping me , u said some times can be a bad ram ? i just have one , but if the problem came from there why all my system runs well ?

thks for the articles related i'll try to fix the problem and post here <the solution for future problmes to other members. thks

#4 banjosforpeace


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Posted 26 April 2005 - 11:24 AM

This problem can sometimes be related to printer drivers. Check out: http://support.micro...kb;en-us;821690 :P

#5 Guest_(G)Author Name - e.g. John, Mike_*

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Posted 28 January 2009 - 10:56 AM

reason What Is Generic Host Service?

Please tell me if there six svchost.Exe running on the computer what is the reason for it?

Will it gives any problem in future?

#6 Guest_(G)Ajay_*

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Posted 19 September 2009 - 09:23 AM

Gerneric Host Service ErrorWhat Is Generic Host Service?

Every time I'm in my PC , few minutes after apears a window saying that Gerneric Host Service had to be closed , I'm using Windows XP SP2 Full Updated and the errors don't stop show up , I already format my C: but the problem still there. I don't know what else can I do.

-question by Ajay

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