.NET Runtime Optimization Service | Troubleshooting

High CPU consumption of the .NET Runtime Optimization Service It is one of the most commonly reported issues. Many users reported on Microsoft community, that .NET Runtime Optimization Service consumes a lot of CPU and affects system performance and how to fix .NET Runtime Optimization Service high CPU usage Windows 10:

Well, this is a random but very irritating issue as it slows down the system performance and even some of the dependent applications and programs start crashing or freezing.

However, luckily there are workarounds that work, so read on to get the answer to all your questions and how to fix high CPU usage using the .NET Runtime Optimization Service.

What is .NET Runtime Optimization Service?

.Net Runtime Optimization Service is a component of Windows and is also known as Mscorsvw.exe. And the service is used to optimize system performance as well as applications and programs that depend on it to run faster.

Usually, the .NET Runtime Optimization Service runs smoothly and will not cause the high CPU issue, but if the optimization process takes too long, in this situation, the high CPU usage issue is caused by the .NET Runtime Optimization Service or Mscorsvw.exe.

Why does .NET Runtime Optimization Service use so much memory?

Well, this random issue usually occurs after installing an update in .NET Framework and the process executable is mscorsvw.exe.

Also, there are some other reasons for the .NET Runtime Optimization Service high CPU usage issue.

• The .NET Runtime Optimization Service might become corrupted.
• Your computer may be running a virus infection or malware and has also infected the service or has disguised itself as the service
• Or the .NET Runtime Optimization Service is running slowly on your device.

.NET Runtime Optimization Service is useful, so we do not recommend disabling or turning off the service in the Task Manager.

So, follow these reliable and workable solutions provided that helped many users to fix the .Net Runtime Optimization Service High CPU Usage issue on Windows 10.

How do I fix the .NET Runtime Optimization Service high CPU issue?

If this service is consuming too much of your CPU resources you can try the following solutions to resolve this program:

Solution 1: Run an anti-malware scan

As already said, malware infection can also cause the .NET Runtime Optimization Service high CPU issue. So, here it is suggested to first perform a deep scan of your system with anti-malware software like Malwarebytes, Avast, SpyHunter and others.

You can easily download them from the official website and start scanning. Once the scan is completed, check whether the .NET Runtime Optimization Service high CPU usage issue has been resolved or not.

Solution 2: Improve the .NET Runtime Optimization Service process

Since it is not recommended to disable the service, it is suggested to run the following here commands to optimize NET Framework to use more CPU cores and terminate the process quickly.

Follow the following steps to do it:

• Press the keys Windows + R to open the box Run > type CMD > click OK
• At the symbol of the system, paste the given commands one by one > press Enter after each one, but make sure to choose the one that corresponds to your operating system (32-bit or 64-bit)
  • For 32 bits: cd c: WindowsMicrosoft.NETFrameworkv4.0.30319
  • For 64 bits: cd c: WindowsMicrosoft.NETFramework64v4.0.30319
• Next, paste the command given below > press Enter:
  • negen.exe executequeueditems

• Exit the command prompt

Now open Task Manager and check whether the CPU usage of .NET Runtime Optimization Service is normal or not.

Solution 3: Run the official script created by Microsoft

If you are running a version of Windows other than Windows 10, you can run the script created by Microsoft and speed up the service. Follow the steps to do so:

• Visit the page GitHub from the official script.
• Now right click on the button Raw> select Save link as.
• Make sure the file type is a Windows Script File and then save the file to your hard drive.
• Next for run script > run file
• Well, if you need to select a program to run with >, select Windows Script Host.

Hopefully, when you run the script, the .NET Runtime Optimization service completes the task quickly and the high CPU usage issue has normalized.

You may be interested in: Error System Service Exception in Windows 10 | Solutions

Solution 4: Restart the service

If you are still facing high CPU usage caused by mscorsvw.exe service, restarting the service will help you to terminate the process faster. So, follow the steps to restart the service:

• Press the keys Windows + R> and in the box Run> write services.msc> press Enter
• Then scroll down to locate and right-click Telemetry Container NVIDIA> select Restart in the menu.
• Now right click on NVIDIA Telemetry Container> then, in the menu, choose Properties
• Then, in the Properties window, > configure NVIDIA Telemetry Container Startup Type as Automatic.

• And confirm any dialog boxes that may appear and click Accept To save the changes.

Check whether the .Net Runtime Optimization Service high CPU usage issue has been resolved or not.

Solution 5: Uninstall the applications

Check your system for any unwanted applications or programs that you have not used and are just consuming space on your computer.

Therefore, it is suggested here to uninstall those applications to free up disk space and this may bring the high CPU caused by Network Runtime Optimization Service back to normal.

To uninstall applications, go to Settings > Applications > choose the application which is not needed, right click on it, press the uninstall button. And you can uninstall all the unwanted apps one by one.

Also, uninstalling apps manually won't remove them completely as some of their leftover files and junk are left behind on the system, so it's better to opt for a third-party uninstaller.

Solution 6: Run the DISM command

If you are still facing the high CPU usage issue due to .NET Runtime Optimization Service, try running the inbuilt DISM command to repair the corrupted system files. Follow the below steps to run it:

• Click on Windows> write cmd, right click on command prompt and choose run as administrator
• Now in the command prompt, type the following commands and press Enter one after each one:
  • DISM /Online /Cleanup-Image /RestoreHealth

• This will scan the system. Wait for the process to complete (approximately 30 minutes)
• It is estimated that the high CPU usage by .Net Runtime Optimization Service has now returned to normal.

Final words

One of the most common complaints from users regarding .NET Runtime Optimization Service It is consuming too much CPU. This is why we wanted to prepare this guide so that you understand the reasons why this may be happening and the possible solutions you can try to solve this high consumption problem.