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High CPU Usage by svchost.exe (netsvcs)

Disable the BITS service

The BITS (Background Intelligent Transfer Service) is a component of the Microsoft Windows Operating System that makes use of idle network bandwidth to download data crucial to the system (such as Windows updates) in the background. However, in some cases, the BITS service can malfunction, causing it to siphon off excessively large amounts of bandwidth from the user and also cause the svchost.exe process to start using up an unacceptably significant percentage of the affected computer’s Random Access Memory. If your computer is affected by the svchost.exe process taking up a lot of your RAM problem and BITS is also using a lot of bandwidth, it may be causing the issue in the first place, and if that is so, disabling the BITS service altogether should fix the problem.

Hold the Windows Key and Press R. Type services.msc and Click OK. 

Locate the service named Background Intelligent Transfer Service and double-click on it. Open the dropdown menu in front of the Startup type. Click on Disabled. Click on Apply. Click on OK. Doing so will disable the BITS service.

You should not be afraid to disable the BITS service as it will not, in any way, affect the way your computer runs on an everyday basis. If this solution does not get the job done for you, simply move onto the next one.

 Disable the wuauserv service

The wuauserv service is the name of the Windows Update service. The Windows Update service is infamous for being responsible for the svchost.exe process taking up more than 50% of the total RAM a computer affected by this problem has. If the Windows Update service is causing this issue on your computer, disabling it will do the trick.

Hold the Windows Key and Press R. Type services.msc and Click OK. 

Scroll down to the Windows Update. Double-click on the Windows Update Open the dropdown menu located in front of the Startup type. Click on Disabled. Click on Apply. Click on OK. This will successfully disable the wuauserv

While disabling the wuauserv service is one of the most effective solutions that you can use to try and get the svchost.exe process to not use a preposterously large amount of RAM, disabling this service will mean that Windows Update will no longer start and stop of its own accord. This means that available updates for your computer will not automatically be downloaded and installed. While this is not something that will hinder everyday operations, keeping your computer and all of its devices and drivers up to date is most certainly important.

Since that is the case, if you choose to disable the wuauserv service and if doing so fixes this issue in your case, be sure to, at least once a month, set the wuauserv service’s Startup type to Manual, right-click on the service and click on Start, open Windows Update, check for available updates and download and install all available updates. This will ensure that your computer and all of its devices and software stay up to date. Once you have downloaded and installed all available updates, you can turn the Windows Update service’s Startup type back to Disabled to make sure that you do not fall prey to the svchost.exe process using LOTS of RAM issue again.