csrss.exe high CPU usage in Windows 10

If you’re experiencing high CPU usage from csrss.exe, it’s likely a result of a security measure designed to protect your computer.

csrss.exe is a process that runs in the background of Windows 10. The high CPU usage can be caused by many different things, but it is most commonly caused by a virus or malware.

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20th of October, 2021

Publish date: March 2020

• Client Server Runtime Process, also known as csrss.exe, is one of the uncommon ones that may take over your CPU in Windows 10. It typically only consumes a little amount of resources, but if it begins to use more than 80% of the processing power, it is a sign that something is wrong.
• There are a number of reasons why csrss.exe begins to consume your resources, particularly your CPU, but the most common cause is a malware infestation. The first step, obviously, is to scan your computer.
• If your computer becomes noticeably slower, it may be due to a process that is using too much CPU processing power. If this occurs, look for a solution in our high CPU consumption area.
• Nobody is immune to Windows problems, but you can be certain that if they do arise, you’ll find a solution in our Windows 10 errors center.

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If you’ve been using Windows for a while, you’ve undoubtedly come across one or more system activities that push the CPU to its limits.

Some are less prevalent, while others are virtually seamlessly integrated into the system (Windows Update process in Windows 7).

Client Server Runtime Process, also known as csrss.exe, is one of the uncommon ones that may take over your CPU in Windows 10.

This is an important part of the Windows platform, because it uses very little resources. Not in this case, at least.

Users have complained that when they look at Task Manager, they see a weird process that uses 80–100% of the CPU.

This is, without a doubt, a serious problem, and you must handle it as quickly as possible. Check out the answers we’ve given below; they should be of assistance.

How can I fix csrss.exe’s excessive CPU activity in Windows 10?

1. Check for viruses.
2. Delete the current user account.
3. Restart your computer.

1. Perform a virus scan

Let’s start with the occasional source of this inconvenient situation. It’s unusual for system processes to begin acting erratically in this way.

There are a variety of reasons why one of the critical Windows services begins to use your resources, particularly your CPU, but the majority of the time it’s due to an external issue. Or, to be more precise, a malware infestation.

As a result, we recommend that you check your system for malware invaders using either Windows Defender or a third-party antivirus program.

We took care to describe how to scan your system using Windows Defender since the scanning process varies, taking into account all accessible applications.

Even if you don’t want it, it’s always there, so be sure you follow the instructions below:

1. From the Notifications section, launch Windows Defender.
2. Select Virus and Threat Protection from the drop-down menu.
3. Select Advanced Scan from the drop-down menu.
4. Select Windows Defender Offline Scan from the drop-down menu.
5. Now choose Scan.

We also highly advise that you use professional antivirus software to ensure that any virus threats are checked, detected, and removed from your computer.

2. Remove the current user profile from the system.

To find possible problems, run a System Scan.

To detect Windows problems, click Start Scan.

To solve problems with Patented Technologies, click Repair All.

To identify faults causing security issues and slowdowns, do a PC Scan using Restoro Repair Tool. The repair procedure will replace damaged files with new Windows files and components once the scan is completed.

Many customers were able to fix the issue by simply deleting their old account and establishing a new one. Because dedicated files that are responsible for setting the user profile have been corrupted.

Because the Client Server Runtime Process is linked to a user profile, CPU spikes are frequent.

The causes of this unpleasant phenomenon may now be traced back to a virus infestation that corrupts or even clones system data.

So, even if your PC isn’t infected right now, the harm may have already been done.

That should be sufficient justification for deleting your user profile and creating a new one.

Yes, you’ll need to back up your data and reset a few things, but the issue should be fixed. In a few easy steps, here’s how to accomplish it:

1. Type Control into the Windows Search bar to access the Control Panel.
2. Create a user account.
3. Select the User Accounts option.
4. Select Manage another account from the drop-down menu.
5. In the PC settings, choose Add a new user.
6. Select the option to add someone else to this computer.
7. Return to Change an Account and enter credentials for a different user profile.
8. Change the account type by opening the newly created account and clicking Change the account type.
9. Assign it administrative duties.
10. Return to your existing profile and choose it. We recommend that you back up your data from the Documents and Desktop folders.
11. After that, choose Delete account and then Delete files.
12. Log out of your old account and into your new one.
13. Type Advanced settings into the Windows Search box, then choose View advanced system options.
14. The Advanced tab should be selected.
15. Click Settings in the User Profiles section.
16. Save your modifications after deleting your default account.
17. Restart your computer, log in with the new user profile, and check the CPU utilization of csrss.exe in Task Manager.

3. Restart your computer.

As a last resort, we can only suggest that you look into recovery alternatives. To be more specific, the Reset this PC option. This is comparable to the factory reset option seen on most cellphones.

It fully restores Windows 10 to its default settings while protecting your data.

However, due to the specific nature of this problem and its intricacy, we recommend that you clarify everything.

Naturally, you should back up everything from the system partition to another partition, cloud storage, or external storage.

Here’s how to go about it and maybe fix the problem:

1. To open the Settings app, press Windows key + I.
2. Go to the Update & Security section of the menu.
3. Choose Recovery.
4. Click Get started under Reset this PC.
5. When you choose to remove all files, the restoration process will begin.

That should be the end of it. Don’t forget to tell us about your csrss.exe high CPU use experience in the comments section below.

Are you still experiencing problems? Use this tool to fix them:

1. Download this TrustPilot.com-rated PC Repair Tool (download starts on this page).
2. To identify Windows faults that may be causing PC difficulties, click Start Scan.
3. To resolve problems with Patented Technologies, click Repair All (Exclusive Discount for our readers).

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Most Commonly Asked Questions

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The csrss. high disk usage is a problem that has been present for a while. Microsoft released an update to fix the issue and prevent it from happening in the future.

Frequently Asked Questions

Is csrss.exe important?

It is important to keep it running, but not necessarily because of its importance.

What causes 100% CPU usage Windows 10?

This is caused by a process called Windows Audio which is a service that plays sounds on your computer.

Is csrss.exe safe?

csrss.exe is a legitimate process, and it is safe to run.

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