WHAT DOES HVCHOST DO? Why are there several in a computer process?

Start - run -msconfig (i.e. system configurator) - start, look at what's inside, find the ones you don't want, tick the previous one, ok

Reboot and take a look (if you can't find it, then it doesn't exist anymore, clean up the registry).

About 14-19 Because some computer drivers are different, the driver process is different when the computer starts.

In addition to these, they can be deleted.

System processes. 1）[system idle process]

Process file: [system process] or [system process].

Process Name: Windows Memory Processing System Process.

Introduction: The process runs as a single thread on each processor and schedules the processor's time when the system is not processing other threads. The higher the CPU usage, the more CPU resources are available for allocation, and the lower the number, the more CPU resources are tight.

Process file: alg or

Process Name: Application Layer Gateway Service.

Introduction: A gateway communication plug-in manager that provides support for third-party protocol plug-ins for the Internet Connection Sharing Service and the Internet Connection Firewall Service.

Process file: csrss or

Process Name: Client Server Runtime Server Subsystem

Introduction: This is part of the user mode win32 subsystem. CSRSS stands for the client server running subsystem and is a basic subsystem that must be running all the time.

CSRSS is used to maintain Windows control, create or delete threads and some 16-bit virtual MS-DOS environments.

Process file: ddhelp or

Process Name: DirectDraw Helper

Synopsis: DirectX helper.

Process file: dllhost or

Process Name: dcom dll host process.

It is recommended to keep (this is the process of input method typing).

Keep it, otherwise you won't have a desktop if you end it.

It is recommended to keep it. It is recommended to keep it.

Generally 4-8) It is recommended to keep it.

It is recommended to keep it. It is recommended to keep it.

Keep it, otherwise it will be restarted immediately if it ends.

The question has been flashing white screen, all applications can't be opened, just looked at the task manager, there are 153 items running, nothing works, and the point can't be done.

Try it bro.

The question couldn't be closed, there was no response, and the mouse kept spinning in circles.

Answer: Go to the computer repair shop to reinstall the system, you have too many computer things, ask if the reinstallation system is flashed, the hard disk is fine, I didn't use the computer to play games, and the hard disk must be no problem The memory module is not enough.

Gotta clear it up.

It's all a normal process, if the landlord feels that there is a problem, you can use Kingsoft Process Manager to see if there is a risky process, if not, then it's no problem.

If suddenly there are a lot more processes. You can manually close useless programs yourself. Also pay attention to whether someone remotely is on your computer. Whether the port has been compromised.

Do you have a lot of Internet Explorers open yourself? The system can be set up for each Internet Explorer window with a separate process.

Jinshan First Aid Kit.

Done, thank you! Hope mine is helpful to you.

Process Description: It is in Windows

The application that hosts the in-process preview handler on Vista.

Process file: File md5:157ce9230e2217dff174993bcc5311f6

File size: 45kb

Company: Microsoft Corporation File Version: (long

English description: preview handler surrogate host

System Process: Yes.

Backgrounder: Yes.

Network-related: No.

Security level (0-5): 0

Spyware: No.

Adware: No.

Virus: No.

Trojan: No.

Hope it helps.

Process Description: An application that hosts an in-process preview handler on Windows Vista.

Process file: File md5:157ce9230e2217dff174993bcc5311f6

File size: 45kb

Company: Microsoft Corporation File Version: (long

English description: preview handler surrogate host

System Process: Yes.

Backgrounder: Yes.

Network-related: No.

Security level (0-5): 0

Spyware: No.

Advertising footprint: 3MB

Not the other necessarily is.

4 pcs. 2 pcs.

If there is a problem, let's kill the virus.

It works well to kill guests with Trojan horses or Trojans.

This 5 is no problem.

It depends on what operating system it is.

If it's 2000, just click to end the process, and those that can't end are required by Windows.

Don't be sad brother, there are 47 processes in my family.

Several system processes

These are all necessary.

These 4 are Rising Antivirus.

Actually, it's nothing, the computer is less decorated! I want to divide! Dig Kaka adds: Can you delete the downstairs?

You delete your home and take a look.

Delete this file and you won't have a desktop.

It is best not to close these applications of the system so as not to cause trouble to use.

The following can be ended: Leave 21 that can't be ended, which will affect the stability of your system!! Bonus points.

Don't withdraw and give you a software syscheck2Anything that shows red is not a system process. can be turned off.

In addition to the system is the process of printer antivirus software, which is normal.

I see that your computer is Lenovo.

If you uninstall the printer driver without using the printer, the printer process will not appear.

You can also pass.

Start Run Enter msconfig, Startup,, Close unnecessary boot startup items, thanks.

by silenthk Professional anti-virus.

It's not a big deal.

This is for realplay upgrades. It's not of much use.

Actually, I don't know what you don't want. It can be deleted. Motherboard.

Do you want to turn it off? It's okay to turn it off for you, if the system doesn't let it turn it off, it won't let you turn it off, it's okay, it's okay.

If you really want to know which ones are systematic, you go into safe mode, and there seem to be 13 processes in it.

Generally, our simplification of these things is operated in the system startup item, that is, enter msconfig in the startup "run", and then there will be a lot of things in the startup, generally speaking, leave the antivirus software and ctfmon, all others are prohibited, and then make sure to restart, just like you will find that the system has become a lot faster

You don't have a virus. Most of the programs are self-opened.

several).

system process

These are left, and the others are turned off to save resources.

system idle p...

system

Rising ) Rising ).

Rising) Rising) Pretty much everything else.

The landlord can turn off the process in the process, and what can't be turned off is a must.

The process is something that is necessary for the operation of your computer system and programs, and the system process cannot be turned off, otherwise it is easy to cause adverse consequences, such as automatic shutdown; The program process can be shut down, which will cause the program to quit, but it will not have much impact on the system. Properly shutting down useless program processes can improve the speed of the system; If it is a virus, the process should be turned off.

The processes that cannot be shut down are (system):

several) system process

But if it's not clear, don't just turn off other processes, in case there is a problem, and if you are sure that it is an unneeded program process or a virus process, you can turn it off.

The better process managers include icesword, etc., and the built-in process managers such as optimization master and security guard are also good.

Open Task Manager, click Program Items, then click the user name bar, and select the project of the user group, do not select system or local

service

or network

service; Don't choose either.

or anything else should be able to be turned off.