What does Svchost EXE do in Windows 10? || Why is my computer so slow?

It seems that the conversation about certain Windows errors can become endless. 

In fact, it is difficult to deny the fact that it is normal to encounter errors on your computer if you do not take care of its health in a timely manner. This time we’ll try to deal with the problem that occurs with the svchost process in Windows.

So, the problem is this: the computer began to unexpectedly slow down, freeze, while the programs stop responding, and pressing the buttons does not lead to anything.
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The reason may be prolonged active surfing on the Internet, because of which the system accumulates gigabytes of temporary files.

The basic solution for treating a computer may be to delete the cache with special “cleaner programs” followed by defragmentation. If this does not help, try rolling back to an earlier state using System Restore.

Naturally, this option is appropriate if you created a recovery point (System Properties → System Protection → Create).

If neither rebooting Windows nor System Restore could help, then perhaps the cause of the problem lies in the svchost.exe process.

What is the svchost.exe file in Windows 7, 8 or 10? 

Literally, this name stands for Service Host - the main process for services downloaded from the system’s dynamic libraries. Using a single svchost.exe process for running several services can significantly reduce RAM costs

What can affect the stable operation of svchost.exe processes

There may be many reasons, but we will focus on the most common.

Error loading automatic updates. In this case, it is recommended to manually download the service pack on the Microsoft website, and then install it yourself.

Viruses masquerading as svchost.exe. The solution may be the use of antivirus or analysis of svchost.exe files in the Windows Task Manager (more details below).

Use the Windows 10 Task Manager to complete the Svchost process

It may well be that svchost services are the main cause of the error. Let's try to use the "Task Manager" and try to find a faulty service by disabling it.

1. Right-click on the taskbar and select "Task Manager" from the list.

2. Now in the "Task Manager" window, find the "Details" tab and go to it.

3. Look carefully at the list and find svchost.exe in it.

4. You will almost certainly encounter a lot of svchost.exe.

This can be confusing - it is not clear which process we need. Pay attention to the degree of load for each process. If some process svchost.exe has a load close to 100%, then this is probably the main culprit of the problem.

Typically, svchost.exe system processes on Windows have the following usernames:

- SYSTEM

- LOCAL SERVICE

- NETWORK SERVICE

Viruses can hide (but not always) under the username of your Windows account or simply ADMIN. It is also possible spread of a virus that uses this Svchost, but performs harmful actions, for example, such a virus is Kido.

5. End the svchost.exe process, which has a high system load. To do this, right-click and select End Process Tree. Restart your computer and try scanning the system with antivirus software.

Do not worry if you accidentally terminate the normal svchost.exe process. Windows will restore the necessary process after rebooting.

Clear Event Viewer Logs to Fix Svchost Process

1. Find “Event Viewer” using the search box located in the left corner of your system’s screen and launch the application.

2. In the "Event Viewer" window, click on "Windows Logs" located in the left side panel.

3. When you expand this item, click on “Application”.

4. Now on the right side of the log, in the "Actions" window, click on "Clear log ...", as shown in the picture.

5. After the pop-up menu appears on the screen, click “Clear”.

6. Follow the above step with the Security, Installation, System, and Forwarded Events logs.

7. Restart your computer

Stop Windows Update to get rid of the problem

1. Press the Win + R keys simultaneously to open the Run window.

2. Enter the services.msc command. and click OK.

3. Find “Windows Update” in the list, right-click on this item. Click Stop.

4. Now in the Explorer, go to the path This computer → Local disk (C :) → Windows.

5. Locate the SoftwareDistribution folder and delete it.

6. Restart your computer.