Powershell and high cpu usage

I have a Toshiba Satellite running Win 10 with the latest update and Norton 360. At times programmes are unresponsive for some seconds.  After startup but without running any programmes Task Manager shows spikes up to 100% of very high CPU and disk usage.  This is mainly caused by powershell 32 bit which starts, spikes and disappears all the time.  I have disabled powershell but it has not stopped it appearing and disappearing  from the list of processes. Is this normal?  I might be incorrectly attributing unresponsive programmes to powershell activities.

I have scanned, using Norton, for security issues but nothing has been revealed.

There was a similar question on this topic some years ago but the thread closed before a solution was posted. Can anyone enlighten me please?

Hi, Darlingscott

My name is Aracely, I am an Independent Advisor. I would love to help you today.

Check this link, I hope it helps.

https://www.easeus.com/computer-instruction/hig...

Note: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.

Let me know if the information has been helpful in solving your problem.

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Thank you for such a quick response Aracely.

I have looked at the website you referred me to. I have already tried quick fixes 1 and 2.  In light of the warning in your message and comments on the net about the EaseUS Partition Master I am reluctant to download and run it as I am a novice when it comes to understanding how to unfix changes if I have problems with them. I have tried to follow the DISM instructions but fell at the first post because right clicking on start brings up a list which does not include Command Prompt (Admin).  Having got an admin command prompt up and entered the details required I received an error message and neither does Superfetch appear in the list of Services.

Do you have any other ideas that may help me?

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You can use the System File Checker tool to repair damaged system files.

Follow these steps:
Press the Windows + X keys and select Symbol of the System (Administrator) or Windows PowerShell (Administrator), in the window that will open, you must type the commands in their respective order:

• DISM.exe /Online /Cleanup-image /Scanhealth
• DISM.exe /Online /Cleanup-image /Restorehealth
• DISM.exe /online /cleanup-image /startcomponentcleanup
• sfc /scannow

Each of these actions may take a few minutes, so it is important to execute one at a time. At the end, you must restart the PC.

Check this link:

https://support.microsoft.com/en-us/help/929833...

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Again thanks. I have done all that. A Windows Resource file was repaired but the problem persists. 

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I recommend you repair Windows completely before you should make a copy of your files.

https://answers.microsoft.com/en-us/windows/for...

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Hi Aracely (your first name might be Rosemond in which case I apologise for using the wrong name).

  I have been travelling since we last communicated and have only now been able to complete your last recommendation which I am pleased to report seems to have worked.  Again I thank you for your help.

Richard

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The problem has returned.  Do you have any other suggestions.

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I think that you nedd to upgrade your cpu or ram

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If I can understand what Powershell  is doing and why it is running when I have turned it off I would consider an upgrade.  But from what I can see from other posts from people who have had the same problem an upgrade is not the answer.

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Last updated September 19, 2023 Views 754 Applies to: