Windows Explorer CPU Usage

Since this morning Windows Explorer is running at over 30% while I'm doing nothing.

The icons on the windows taskbar and the desktop are constantly refreshing and redrawing themselves.

I have not installed anything at all this week.

Running Windows 10 Version 1890 (17763.379)

 

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Last updated June 16, 2019 Views 28 Applies to:

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Hi HarryIHL

My name is Sarah Kong and I am an independent adviser that is here to try and help you with your issue.

This maybe an issue with a system file being corrupt.
You can try a couple things.

Right click your start button and select Command prompt (Admin) to bring up elevated Command prompt.
In Command prompt type sfc /scannow and press enter.
Restart the computer.

If that doesn't work then try this,

Right click your start button and select Command prompt (Admin) to bring up elevated Command prompt.

In the Administrator: Command Prompt window, type the following commands.
Press Enter key after each command:

DISM.exe /Online /Cleanup-image /Scanhealth

DISM.exe /Online /Cleanup-image /Restorehealth

Important: When you run this command, DISM uses Windows Update to provide the files that are required to fix corruptions.
To close the Administrator: Command prompt window, type Exit, and then press Enter.
Restart your computer.

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Hi HarryIHL
I am Vijay, an Independent Advisor. I am here to work with you on this problem.

CTRL+SHIFT+ESC to start Task Manager
Locate Windows Explorer in Processes tab > Right Click > End Task
Now at the top File > Run new task > Put explorer.exe and Enter

Do let me know if you require any further help on this. Will be glad to help you.
Best regards
Vijay Verma

Timezone: UTC+05:30, PST+12:30
Availability Hours (UTC) : 06:00 AM - 06:00 PM

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Hello,

I'm Independent Advisor and Microsoft MVP, here to help you with your question.

Suggest you to run System File Checker scan:

1. Search for 'command prompt' using Cortana or Windows Search.

2. From results, right click on Command Prompt and select Run as administrator.

3. Type sfc /scannow command and press Enter key.

4. Let the command complete and then reboot the machine.

If issue still persists, perform clean boot:

https://support.microsoft.com/en-in/help/929135...

Let us know if this helps!
_____________________________________________________________________________________

Helping Windows users, since 2010 · Please remember to mark replies as answers, if they helps!

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No errors found

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Problem continues. Explorer running at 30+%, even when no windows explorer windows are open.

I've also ran SFC, no errors found.

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I would recommend that you perform a Windows 10 repair upgrade (This is not Reset or Reinstall of Windows). Repair upgrade fixes all Windows errors and retains all files, applications and settings. (You will not lose any data while backup is a good idea) Below is a good guide to perform repair upgrade

https://www.tenforums.com/tutorials/16397-repai...

Do let me know if you require any further help on this. Will be glad to help you.

Disclaimer - 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.
Best regards
Vijay Verma

Timezone: UTC+05:30, PST+12:30
Availability Hours (UTC) : 06:00 AM - 06:00 PM

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Open Task Manager [CTRL+SHIFT+ESC] and look at the Processes tab. Click on the CPU column header (with the % symbol and the word CPU) to order the processes from highest to lowest CPU usage. Those are the processes that are using the majority of your CPU's resources at that moment in time. See anything unusual there?

Your computer has a lot to do when you are 'doing nothing.' It has to run scans, index, sync, manage disk space and much more. These activities are minimized, or altogether absent, when you are actively using your computer, in order to provide you with the fullest amount of your PC's resources. Therefore you should not be surprised to see these activities happening when you are not actively using your computer.

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There is nothing else running other than Chrome.

I've run SFC /scannow

I've run DISM

Both programs come up with nothing.

There are no updates available on windows update.

I have not installed any new programs for weeks.

The icons on my taskbar are repeatedly and independantly refreshing, as are all the icons on my desktop.

 

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Are you running any 3rd party antivirus\firewall or VPN software?
Whichever antivirus software you are running do a virus scan.
Also run the malware cleaner see link.

https://www.microsoft.com/en-ca/download/malici...

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The rightward-pointing arrow (I forget the correct term) next to a process means that you can click on the name of the process to see its sub-processes.

Do you see any unusual sub-processes?

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