Automatically update svchost to occupy 100% of the CPU

Source: Internet
Author: User
Recently, as long as the network is connected, the cup will be occupied by a svchost process in a few minutes. Because I have two wireless Wired connection methods, this will not happen in Wired connection, this problem occurs during wireless connection, so it is possible to eliminate the possibility of poisoning. I finally found an article to solve this problem. Article

Reference URL:

When you run Windows automatic update, Windows Update, Microsoft Update, and so on for updates, you are aborted unexpectedly, or you have accumulated too much data using "automatic update". After a while, will cause "Searching for the latest update for your computerProgram..." It is difficult to run and slow to work. Over time, your windows automatic update crashes completely, and the CPU usage keeps increasing. 100 % . If you have enabled Windows automatic update at this time, and the computer will soon be connected to the network and connected to the Microsoft server, this will happen, and the machine becomes abnormal and slow, A svchost.exe process occupies extremely high memory and the machine cannot work normally. By the way, this will not happen if there is no network. What should I do? reinstall the system? Is it too exaggerated to completely disable "Auto Update? That's not enough!

Don't bother yourself. Please refer to the following steps to solve the problem. This is more convenient...

1. Disable Automatic update (my PC - attribute - automatic update - close ), restart the computer and perform the following checks or operations

1. Click "start ".-Run, enter services. msc, and press Enter.
2Double-click the Service Automatic Updates
3. Click the "Logon" tab to make sure that the "local SYSTEM account" option is selected, and the "allow service and desktop interaction" option is not selected.
4. Check that the service in the following "hardware configuration file" has been enabled. If not, click "enable" to activate it.
5. Click back to the "General" tab, set "Start type" to "automatic", and click "start" under "service status" to enable this service.
6Repeat the preceding steps to perform the same operation on another service: Background Intelligent Transfer Service (BITS). You must enable this service. Many people will ignore it.

Ii. register the Windows Update component again

1. Click "start ".-Run ", enter the regsvr32 wuapi. dll command, and press ENTER
2. When you see the message "The dllregisterserver in wuapi. dll is successful", the message is successful.
3. Repeat this step to run the following commands one by one
Regsvr32 wuaueng. dll
Regsvr32 wuaueng1.dll
Regsvr32 ATL. dll
Regsvr32 wucltui. dll
Regsvr32 wups. dll
Regsvr32 wups2.dll
Regsvr32 wuweb. dll

3. Clear the damaged Windows Update Temporary Folder

1 . click "Start - Run ", enter the net stop wuauserv command and press ENTER
2 . click "Start - Run ", enter the command % WINDIR % press Enter, in the Open folder window, find the folder softwaredistribution and rename it to softwaredistribution1 (or another, you can choose any one)
3 . click "Start - Run ", enter the Net start wuauserv command and press ENTER

4. restart the computer and click "my computer ".-Attribute-"Automatic update" selects "automatic (recommended)", or regularly opens the following address for your Windows Update.

Note: After you use "Auto Update" for a period of time, this tricky problem may also occur again. You only need to repeat the above steps to restore the problem.

Through the above settings, my problem does not occur any more. This tells us that not all svchost uses 100% of the CPU, and we need to find the root cause of the problem, do not blindly reinstall the system

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