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What is CefSharp BrowserSubprocess and How to Remove it?

Were you busy playing your digital escape room game when suddenly an error for high CPU usage popped up? Did you just stumble across a weird executable file on your system? Is it named as CefSharp.BrowserSubprocess? are you worried it might be a virus and harm your system and its files? Do not worry; this article will teach what exactly it is and how you can deal with it.  

What is CefSharp.BrowserSubprocess?  

This executable process is known as cefsharp.browsersubprocess. It is a process that is related to AOL Desktop Gold or Razer Cortex or Cefsharp or Razer Synapse, or a number of other processes.  

It is an executable file meaning it has the .exe extension and can cause certain problems for your system. In most cases, you need to deal with it in any special way. If it does contain any sort of virus or malware, you can easily deal with it. 

However, on the off chance that it might contain any malware/virus, you should not open/run this file. More often than not, you will find this executable to be in your ‘C’ folder. Specifically in your “C:\Program Files (x86)” or any subfolder in that drive.  

It is common to come across such files since they could be present in your system thanks to third-party software. Thus, more often than not, they are not essential files that are required to run your system.  

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Is it a Dangerous File?  

A lot of people stumble across this file mainly because it is a type of malware. An error message pops up and says that it is using too much of your CPU or GPU. Meaning it is going to be running in your background as bloatware.  

It is not easy to define whether it is dangerous or not. Not every cefsharp browser subprocess is going to be malware. But there are ways to identify this.  

Identifying the Virus in cefsharp browser subprocess 

  • Step 1. Open your task manager. For Windows 10, just right-click on your taskbar. 
  • Step 2. Go to the Columns Section and add ‘Verify Signer’ as a field.  
  • Step 3. ‘Check’ the Verify signer column. Step 4. Search for cefsharp browser subprocess. Now, if it is sa

ys verified, it is unlikely to be malware, but if it says unable to verify, it might be a virus. 

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Should it be removed? 

Under normal circumstances, if the file does not contain any virus, there is no need to remove it. It typically does not consume much RAM. Thereby, your system will not experience any Lag, Stutter, Freezing, or error due to it. 

However, if the file contains a virus, it might hamper your normal functionality. It is thus best to remove such viruses.  

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How to Remove cefsharp browser subprocess? 

If your cefsharp browser subprocess is infected with a virus or malware, it is in the best interest of your system to remove it. If you are wondering how to remove it? Below are two great ways to tackle this problem. 

Method 1 

Method one involves stopping cefsharp browser subprocess and related processes from the task manager and stopping it from running in the background. To do this, follow the steps given below: 

Note: This is a temporary fix since you won’t be actually removing the cefsharp browser subprocess. 

  • Step 1. Open your Task Manager. Either from the start menu, taskbar, or whatever way suits you. 
open Task Manager
  • Step 2. Search for cefsharp browser subprocess and select it. 
  • Step 3. Right-click on the process and select the ‘End Process’ option from the drop-down menu. 
  • Step 4. Go to the start up tab in your task manager 
  • Step 5. Search for cefsharp browser subprocess and right-click on it. Now exclude it from the start-up programs by selecting the ‘disable’ option. 

Method 2 

Method two involves actually deleting the cefsharp browser subprocess. While the first one can solve your CPU/GPU usage problem temporarily, it can become a problem again. Thus, if you want to delete it, this is the method to follow. 

  • Step 1. Find the cefsharp browser subprocess.exe ‘executable’ File in your system. You can do this by opening file explorer and searching for it. 

Step 2. Once you have the location of the executable cefsharp browser subprocess file, simply right-click on it and delete it.  

Note: it is important to mention here the fact that you should not mess with any files that might be located in the ‘System32’ folder. 

Bonus Tip: if the cefsharp browser subprocess executable file is part of a program that you do not use. There is another way to get rid of it.  

  • Step 1. Simply find the program uninstaller and uninstall the program/software it came with.  
  • Step 2. Use the Windows ‘apps & Features’ to find and uninstall the program. 

Frequently Asked Questions 

Is the cefsharp browser subprocess harmful to my computer? 

While it is wrong to classify each and every file of that name as harmful, it can be a potentially malware-infested file. If it is infected with a virus, then yes, it can cause harm to your system 

Does cefsharp browser subprocess Contain viruses? 

Classifying the file type as a virus is difficult. There are ways listed above that can help you in knowing if it is a virus or not.  

Should I Remove cefsharp browser subprocess? 

Ordinarily, there is no harm in keeping cefsharp browser subprocess on your system. If it does not contain any malware, it is not going to cause any malfunction. However, if there is a threat or possibility of a virus, it is best to remove the process. 

Does cefsharp browser subprocess Cause high CPU/GPU usage? 

cefsharp browser subprocess ordinarily does not consume a lot of RAM or even network usage. It is a small executable file that barely consumes more than 8-10 Mb’s of your RAM. However, one way of identifying a virus would be to see if it actually is causing your system to slow down. Or if an error of high CPU/GPU use is being shown to you. 

How Does it come into my System? 

If you use a lot of third-party applications, such as razor cortex, it can be installed by those programs. A lot of gamers use such programs to boost performance while playing hardware-intensive games.  


cefsharp browser subprocess is an executable file that could be present in almost every system. If you are using any third-party application, your chances of finding cefsharp browser subprocess are high.  

However, as you must have read already, it is not a dangerous file per se. You can definitely perform certain checks to see if it is harmful to your system. If it is, with the methods given above, you will be able to remove it.

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