How do I fix high CPU usage in Windows Explorer?

Top 8 Ways to Fix Windows Explorer High CPU

  1. Fix 1: Remove Icons with No Image.
  2. Fix 2: Check the Task Manager.
  3. Fix 3: Restart the Windows Management Instrumentation Service.
  4. Fix 4: Run Disk Cleanup.
  5. Fix 5: Disable Show All Folders.
  6. Fix 6: Disable OneDrive Cloud Storage.
  7. Fix 7: Run Antivirus Scan.

Why does Windows Explorer take so much CPU?

If you’re having problems with explorer.exe high CPU usage, the problem might be caused by old and temporary files. Windows creates hundreds of temporary files, and sometimes these files can interfere with your system, so it’s advised to remove them. The best way to do that is to use the Disk Cleanup application.

How do I fix 99 CPU usage?

Let’s go over the steps on how to fix high CPU usage in Windows* 10.

  1. Reboot. First step: save your work and restart your PC.
  2. End or Restart Processes. Open the Task Manager (CTRL+SHIFT+ESCAPE).
  3. Update Drivers.
  4. Scan for Malware.
  5. Power Options.
  6. Find Specific Guidance Online.
  7. Reinstalling Windows.

Why is my CPU at 100 for no reason?

If the CPU usage is around 100%, this means that your computer is trying to do more work than it has the capacity for. This is usually OK, but it means that programs may slow down a little. Computers tend to use close to 100% of the CPU when they are doing computationally-intensive things like running games.

Why does explorer.exe take so much memory?

Explorer.exe high CPU usage issue can likely be caused by old and temporary files created by Windows – and sometimes these files can interfere and clog your system. In this case, you can run the Disk Cleanup Tool.

Why is explorer.exe running in the background?

When you look at the processes on your computer using the Task Manager, you might notice the explorer.exe running in the background, even though nothing is going on your computer. You don’t have to worry because this is a legitimate Windows process that is responsible for the file management interface.

Why is my CPU usage so high when I’m not doing anything?

The worst scenario for a high CPU usage when nothing pops up in Task Manager is a virus infection or malicious software that runs in the background. To stay safe from any ransomware or other type of viruses that can lead to computer damage, we recommend you to use ESET Internet Security.

How do I reduce memory usage in Windows Explorer?

Windows Explorer high RAM usage

  1. update to 21h1 (build 19043.1055)
  2. sfc /scannow.
  3. windows defender full scan (0 threats)
  4. malwarebytes full scan (0 pups, 0 threats)
  5. restart task.
  6. end task, re-run explorer.exe (5 and 6 fixes it for about 3-5 minutes before it starts acting up again.