.NET runtime optimization service high CPU

February 2023 · 3 minute read
NET runtime optimization service high CPU

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    • Some Windows OS processes can result in high CPU usage thus slowing down your computer. .NET runtime optimization service high CPU usage issue is among the most reported problems in the Microsoft community forum:

    About 8 weeks ago my Windows 7 started experiencing the mscorsvw.exe service utilizing high memory usage, usually around 9 GB with 50% or more CPU usage.  When this happens my system slows to a crawl and I have to wait (sometimes for hours) for the service to complete.

    If you are also troubled by this issue, here are a couple of troubleshooting tips to help you resolve it.

    How can I fix .NET runtime optimization service high CPU issue?

    1. Optimize the .NET framework process

  • Press Windows Key + R to open Run.
  • In the Run box, type cmd, and click OK.
  • In the Command Prompt enter the following command one by one and then hit Enter to execute:
    For 32-bit:
    cd c:WindowsMicrosoft.NETFrameworkv4.0.30319
    For 64-bit:
    cd c:WindowsMicrosoft.NETFramework64v4.0.30319
  • Next, enter the following command and hit enter:
    ngen.exe executequeueditems
  • Close the command prompt and open the Task Manager.
  • Check if the high CPU usage issue is resolved.

    • The above command will help you to optimize the process allowing it to make use of more CPU cores so that it can finish the process faster.

    2. Check for malware infection

  • If your PC is infected with malware or virus, it can slow down your PC by using the CPU resources in the background.
  •  If you have an antivirus installed, make sure you run a full scan of your system.
  • This may take longer than a quick scan, however, it will help you find any malware in your system.
  • If you don’t have a specialized tool installed, try ESET Internet Security, an excellent malware protection tool that quarantines suspicious files imediatly.
  • When ESET Internet Security detects any malware, click on Removed Selected option to quarantine the suspicious files.

    • Malicious programs usually hide in plain sight and look like normal system processes while getting a hold of your system’s resources. By performing a complete scan, you can find and remove any infection from your computer.

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    3. Restart NVIDIA Telemetry Container

    Note: This step only applies to the computer that has the NVIDIA graphics card installed.

  • Press Windows Key + R to open Run.
  • Type services.msc and click OK. This will open the Windows Services window.
  • Locat the NVIDIA Telemetry Container service on the list. Press the first letter of the service, that is N (for NVIDIA) to find the services fast.
  • Right-click on the service and select Properties.
  • In the Properties window, under Service status, click on the Stop button.
  • Next, click the Start button to restart the service again.
  • Make sure the Startup status: is set to Automatic.
  • Click Apply and OK to save the changes.

    • The .NET runtime optimization service is an essential Windows service and mostly goes away once it is done. However, in case it does not go away, you can follow the steps in this article to fix the high CPU usage issue caused by the process in Windows.

    If you have any other questions or suggestions, don’t hesitate to reach in the comments section below.

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