Windows 10: CPU used 100% because of 2 programs i don't know and had no issue before

Discus and support CPU used 100% because of 2 programs i don't know and had no issue before in Windows 10 Gaming to solve the problem; Hello,I hope everyone is well, healthy and happy for the upcoming holiday.I noticed that my computer is working very slow since today and when i... Discussion in 'Windows 10 Gaming' started by Danut-Dumitru Sava, Dec 9, 2023.

  1. CPU used 100% because of 2 programs i don't know and had no issue before


    Hello,I hope everyone is well, healthy and happy for the upcoming holiday.I noticed that my computer is working very slow since today and when i checked the Task Manager is found 2 processes what are using a lot of the CPU resources and it's taking it to 100% usage.The processes come from:- Visual Basic Command Line Compiler- Microsoft Common Language Runtime native compilerI tried to upload a screenshot but i wasn't able to.I have seen another thread regarding the VBC.exe and i ran a Autoruns scan, i will put the scan below, if it helps.DANUT.arnPlease let me know if there is something that n

    :)
     
    Danut-Dumitru Sava, Dec 9, 2023
    #1

  2. 100% CPU Usage after Windows 10 upgrade

    Hello Aaron,

    Thank you for posting on Microsoft Community. We regret the inconvenience caused and will assist you in resolving the issue.

    Most of the time, computers only use a small fraction of their CPU power. In fact, many computers use less than 5% of their CPU most of the time. When you open an application, play a video game, or encode media file, the CPU usage will rise or spike temporarily.
    Once the CPU intensive process completes, the CPU usage should once again drop down to lower level. Most applications will not use up more than 50% of your CPU for an extended period of time. However, some programs and system processes can use up a large amount
    of CPU without you even knowing it. This may happen if a program gets stuck in an infinite loop or encounters an unexpected error.

    I suggest you to perform Safe mode and Clean boot procedures on the PC by following the steps below.

    Step 1: I suggest you to boot your PC in Safe mode by following the steps from the link below and check if the issue is resolved.

    Safe mode is a diagnostic mode that starts your computer with limited drivers necessary to run Windows. The words
    Safe Mode appear at the corners of your monitor to identify which Windows mode you are using.

    Expand the options to boot into Safe Mode:

    http://windows.microsoft.com/en-in/windows-10/start-your-pc-in-safe-mode



    Reboot the PC to exit from Safe mode.

    To know more about Safe mode, following is an article on
    Windows Startup Settings (including safe mode)
    (Applies to Windows 10 also):

    http://windows.microsoft.com/en-us/windows-8/windows-startup-settings-safe-mode

    Step 2: If the issue persists, perform Clean boot on your PC by following the steps from the link below and check if the issue is resolved.

    Putting your system in Clean Boot state helps in identifying if any third party applications or startup items are causing the issue.

    I suggest you to perform clean boot by following the steps from the link below and check if the issue is resolved.

    You can open the system configuration window in Windows 10:

    a. Using run command.

      • Press Windows Key + R keys on the Keyboard.
      • Type msconfig.msc and press Enter.

    b. Using Cortana.

      • Press Windows icon key on the keyboard and type msconfig.
      • Select the top most search result.
    Follow the steps from 3 under How to perform a clean boot
    for Windows 8.1 and Windows 8 from the link below (The steps for clean boot suggested in the link below for
    Windows 8/8.1 is applicable for Windows 10 as well):

    https://support.microsoft.com/en-us/kb/929135

    Disclaimer: Start the computer in normal mode refer the section,
    How to reset the computer to start normally after clean boot troubleshooting
    from the link above.

    Write to us with the status of the issue on the same post for further assistance. Your reply is most important for us to ensure we assist you accordingly.

    Thank you.
     
    Likhitha V, Dec 9, 2023
    #2
  3. Mail and calendar app don`t work, can`t be removed, and uses 20 GB !

    thank you, I tried again and it worked!
     
    Omar AlSmaeil, Dec 9, 2023
    #3
  4. CPU used 100% because of 2 programs i don't know and had no issue before

    Experiencing 100% CPU Load at Inconsistent Intervals

    Hello,Nicholas_LaBry

    Welcome to Microsoft Community.

    Experiencing 100% CPU load at inconsistent intervals can be frustrating, but there are steps you can take to diagnose and potentially resolve the issue. Since you've already ruled out the system crash issue, let's focus on troubleshooting the high CPU usage problem:

    1. Monitor Running Processes: Keep an eye on the Task Manager to see which processes are utilizing the most CPU. Make a note of any specific processes that spike during the high CPU usage periods. The cimwin32.dll file is related to the Windows Management Instrumentation (WMI) service, which is used by some applications to access system information.
    2. Disable Unnecessary Startup Programs: Some programs launch at startup and can contribute to CPU usage. Disable any unnecessary startup programs to see if that makes a difference.
    3. Check for Windows Updates: Ensure that your Windows operating system is fully updated. Sometimes, updates include fixes for performance-related issues.
    4. Investigate Background Processes: Some background processes can cause intermittent CPU spikes. Check for any background applications or services that might be the culprit.
    Check for WMI Related Issues: Since you've identified a potential issue with cimwin32.dll, try the following steps:

    • Run the WMI Diagnostic Tool (winmgmt /salvagerepository) to attempt to repair the WMI repository.
      win32/desktop-src/WmiSdk/wmi-troubleshooting.md at docs · MicrosoftDocs/win32 · GitHub
    • Rebuild the WMI Repository:
      1. Open a Command Prompt with administrative privileges.
      2. Stop the WMI service: net stop winmgmt
      3. Rename the repository folder: rename %windir%\System32\wbem\Repository Repository.old
      4. Start the WMI service: net start winmgmt
    • Monitor the system to see if the CPU spikes persist after rebuilding the WMI repository.

    Perform a clean boot on the PC, this mode can help you run with a basic set of Windows software and services, observe how the CPU usage in this mode behaves, if the clean boot works correctly. It may be the interference of third-party software, to do this, see the steps from the following article:

    How to perform a clean boot in Windows - Microsoft Support

    Disclaimer: A “clean boot” starts Windows with a minimal set of drivers and startup programs. It helps to determine whether a background service is interfering with your game or program and to isolate the cause of a problem.

    These steps of "clean boot" might look complicated at first glance. However, to avoid any trouble for you, please follow them in order and step-by step so that it will help you get back on track.

    Feel free to let me know if you got any further updates, thanks.

    Best regards,



    Chandy |Microsoft Community Support Specialist

    -----------------------

    * Your patience and cooperation are highly appreciated.
     
    Chandy - MSFT, Dec 9, 2023
    #4
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CPU used 100% because of 2 programs i don't know and had no issue before

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