RepairWindows

.NET Runtime Optimization Service Consuming High CPU – Fixed!

.NET runtime optimization service is one of the common “culprits” that can consume high CPU resources. As a result of its misbehavior, your computer can slow down significantly. If things turn into worse, the computer can even get stuck. So, as a computer user, it would be handy for you to know how to fix it ASAP.

.NET runtime optimization service


What is the .NET runtime optimization service?

.NET runtime optimization service is a process that runs in the background of your Windows operating system. You cannot necessarily find it unless you go to Task Manager and observe the list of services. This service is available with the name mscorsvw.exe so you can locate it easily. The term .NET runtime optimization service is a part of your Windows operating system. This specific process is required to optimize your Windows computer. Thereby, it will help applications and other programs in your system to launch faster and efficiently.

In general, the .NET runtime optimization service is not supposed to take very high CPU resources to process. However, if it takes too long to optimize the system, that can end up causing high CPU usage. In addition to that, there are other reasons that can make this process take a high CPU. To make it clearer for our readers, we have listed down those reasons below.

  • Your .NET runtime optimization service operates at a very slow speed.
  • Malware can disguise as .NET runtime optimization service and run it all the time in the background.
  • .NET runtime optimization service is directly infected with malware.
  • Your .NET runtime optimization service is corrupted due to some reason.

The truth is that the .NET runtime optimization service is there to optimize the system and launch applications faster. So, it’s not a good idea to disable the service even if you notice that it consumes system resources. In that case, you will have to look for other possible solutions that can fix this issue. The purpose of this article is to explain how to fix that error without disabling .NET runtime optimization service. Since this issue can emerge on Windows 7, 8, or 10, it is a very common issue. So, every Windows user should know those fixes to save their time.

PS: if you wonder what is VulkanRT or wisptis.exe, just click to learn more.


How to fix if .NET runtime optimization service is taking high CPU usage?

The good news is that there are very effective ways to address this issue without spending much time. This section of our article explains how to do it. In fact, we have more than one fix explained in this article. As a result, you can simply try one fix after the other until the issue is solved. Mentioned below are those solutions for your reference.

Besides, click to figure out how to fix the service host local system high disk easily.

Method 1: Run a malware scan on your PC

First and foremost, it is recommended to run a malware scan on your PC if you notice this error. As we have mentioned earlier, malware infection can be the main reason behind the curtain. After all, running a full malware scan on your PC once in a while is a good approach. You can choose a trustworthy, high-rated malware scanner for this purpose. When you choose a malware scanner, read the reviews left by the previous users. Also, check the ratings of the respective program before installing it. In addition to that, you must make sure that it is downloaded through its official website.

After performing the scan, the antimalware tool will find if there is a malware infection or not. If it doesn’t find any malware on the system, the issue might be due to some other reason. So, let’s move to the other solutions and see how to get it fixed.


Method 2: Increase the speed of .NET runtime optimization service

It is totally possible that mscorsvw.exe can put a heavyweight on your CPU by running very slowly. In that case, the program does more harm than good. Though it is supposed to optimize your system, it does the exact opposite if it runs slowly. So, you can counterattack this issue simply by speeding up the process. If you don’t know how to do it, just follow the guidelines that are mentioned below.

  • First, type in “CMD” in the “Cortana” search box in your Windows 10 system. Then, you should see the corresponding icon. Just right-click on that icon to see the popup menu. Choose the option labeled “Run as administrator” from the popup menu.
  • If you have installed the OS on your “C” drive, enter the following commands. Please use the commands to match the version of your operating system.

If it is a 32-bit OS: cd C:\Windows\Microsoft.NET\Framework\v4.0.30319
If it is a 64-bit OS: cd C:\Windows\Microsoft.NET\Framework64\v4.0.30319

Hit enter after typing the commands. Please make sure that you type the commands without making even a single mistake.

  • Now, you should type the below-mentioned command as well.
    ngen.exe executequeueditems

Increase the speed of .NET runtime optimization service

Then, hit “Enter.”

  • You can launch Task Manager now and check if the process has gotten back to normal.

The above command we have used will make .NET runtime optimization service to accomplish assigned tasks more efficiently. Once those commands are executed, the .NET runtime optimization service will utilize all the possible cores on your CPU. In fact, it can use up to 06 cores on the CPU and run significantly faster. So, if the case is related to slow-running .NET runtime optimization service, it should be fixed by now.


Method 3: Use Microsoft’s Official Script

There are many individuals who don’t want to run the commands by themselves to fix issues. If you fall into that category, this solution is for you. Also, you can use this solution if the version of your Windows is older. In this solution, you will be running the official script developed by Microsoft itself. As a result of running this app, you can speed up the .NET runtime optimization service. Please follow the below steps to do it.

01. As the first step, you should find the official script by visiting GitHub. You can find the respective link here.

02. Once you are on the correct page, you should right-click on the Raw button. Then, from the options, choose to “Save Link As.”

Use Microsoft's Official Script

03. Be sure that you save the file type as Windows Script and save it on your local drive. Be sure to remember the path you saved.

04. Once the file is saved, you can launch that folder and execute the file. As a result, the file will run the script.

05. If there is a prompt to choose a program, you should choose Windows Script Host to run it.

06. When you run the script, your .NET runtime optimization service will finish the task faster. As a result, you will see the issue is fixed, and the computer performs faster.


Method 4: Restart .NET runtime optimization service

If none of the above options have worked for you so far, you can try to restart the service. For some users, restarting the service has worked fine. As a result of the restart, the process will run faster. To make it happen, let’s see what steps you need to follow.

01. As the first step, you should perform a right-click on your Windows Start menu. Then, you should choose the option called “Run,” so it will open up the “Run” utility. If not, you can even use “Windows” + “R” keys simultaneously to bring the same utility up.

02. Now, you should enter services.msc on the opened “Run” box and hit the “Enter” key.

Service.msc

03. When you see the interface of the Window, you can scroll down to see more options. You should locate the option called NVIDIA Telemetry Container and right-click on it to bring the popup menu. Then, you should choose the option called “Restart” from the available list of options.

04. When you are in the Window labeled “Properties,” you should see some more options. Just set the startup type of the NVIDIA Telemetry Container Startup Type to “Automatic.”

Restart .NET runtime optimization service

05. You can click on the option called “Apply” first and then click on “OK.” That will save the changes you have made.

That’s it. You can now check the process and see the amount of CPU it consumes. If everything has gone ok, the issue should be fixed by now.


Method 5: Clean Boot your PC

If you couldn’t succeed with any method so far, try to fix it with a “Clean Boot.” Mentioned below are the steps to “Clean Boot” your Windows 10 computer.

01. Launch “Run” utility by pressing “Window” + “R” keys. If not, you can right-click on the Start Menu and choose “Run” from the popup menu.

02. Enter the text “MSConfig” on the box and hit “Enter.”

Clean Boot your PC

03. That will lead you to a separate window labeled “System Configurations.” Go to the tab labeled “Services.” Apply a checkmark on the option called “Hide All Microsoft Services.” Then, choose the option “Disable All.”

Clean Boot your PC

04. You should click on “Apply” and then on “OK.” That will save the settings and direct you to a restart. Just choose the option called “Restart Later.”

05. Now, open the “Run” utility again (as you did in the first step). Enter “MSConfig” and hit “OK.” Choose the option called “Startup” and then select the option called “Open Task Manager” from the “System Configuration” window.

Clean Boot your PC

06. Now, observe the field labeled “Start-Up Impact.” Then, disable the services that say “High Impact.” Just right-click on those services and disable them.

Clean Boot your PC

07. Reboot the computer so it will boot with the “Clean Boot” mode, and it is faster.


That’s it. We believe at least one of these methods will fix the issue associated with the .NET runtime optimization service.

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