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What is CefSharp.BrowserSubprocess & How to Remove It?

What is CefSharp.BrowserSubprocess & How to Remove It?
Written by prodigitalweb

If you find the cefsharp.browsersubprocess.exe critical in your windows 10, be careful while you remove this from your system.  The first thing you should know about this is that it is a system procedure using high CPU or GPU resources.

cefsharp.browsersubprocess refers to an executable file that is compatible with XP, Windows versions. The .exe file enables developers to embed the Chromium web browser into VB.Net or C# with the help of the Chromium Executable Framework.  Generally, the file is safe to use, but hackers use this to mask the malware.  Therefore, multiple people don’t want to keep it on their computers or laptops.

If it is a virus or malware, it may run in the background.  And that file  may be saved as a .exe extension.

What is Chromium? 

It is an open-source browser project run by Google.  Chromium has a similarity to Google’s Chrome browser.  However, other software developers can use this.  For instance, Microsoft Edge uses Chromium.

What is the Chromium Embedded Framework?

CEF or Chromium Embedded Framework is another different open-source project.  It allows Adobe Acrobat, Minecraft, and MATLAB apps to use the browser.

What is Cefsharp? 

It is a tool that helps embed standards-compliant web browsers into C# or VB.NET programs.  Besides, browser controls are there for the WinForms and WPF applications.  It includes a headless (offscreen) version that is for automation projects.

What is CefSharp Off-screen?

It allows you to retrieve the browser window’s content in a bitmap.  Thus, you can deliver the content at any place.  The offscreen rendering needs homogeneous access in electron instead of using the Chromium Embedded Framework setup.

CefSharp provides an Offscreen browser control that is used for computerization projects.  It is compatible with the rendering of nested HTML content.

What is CefSharp.BrowserSubprocess.exe?

CefSharp.BrowserSubprocess.exe is an extension file that comes from the CefSharp.BrowserSubprocess process.

The CefSharp Author’s software developers have made the AOL Desktop Gold software that provides this process.  It is necessary for some specific applications or programs.  Besides, some devices like Razer Cortex or Razer Synapse need this.  The location of the file usually is C:\Program Files (x86) or C:\Program Files (x86)\Razer\Razer Services\Razer Central\or C:\Program Files (x86)\Razer\Razer Cortex\Cef\.

It comes from software CefSharp or AOL Desktop Gold or Razer Cortex or Razer Synapse or Alt1 Toolkit for Facebook Games Arcade or Garmin Express or Lively Wallpaper or Amazon Photos or Facebook Gameroom or Amazon Cloud Drive or Amazon Chime or Tobii Game Hub or TigerText Desktop Messenger or ProSeries (version 2020) or Play with SIX Windows client.

More About CefSharp.BrowserSubprocess:

The extension file enables you to use Windows OS such as Windows XP, 7, 8, and 10.  Although it is not a part of Windows, it is essential.  You can get the file available in a subdirectory of the “C: UsersUSERNAME” folder.  Besides, it is also located in a subdirectory of the “My Documents” folder.  Different file sizes of 21,952 bytes and 10,752 bytes are available.

CefSharp doesn’t come with a taskbar icon or a visible window.  Besides, it doesn’t belong to Microsoft, not a part of the operating system.  Trojans try to keep the file size small and obstruct debugging.  You can find professional software manufacturers using compressed files.

As a result, it is not sufficient to suspect nefarious intent.  64% of people think that the file can cause danger.

Whether you see this in a subdirectory of “C: Program Files,” then you will find this hazardous.  Hence, the file size is 18,296 bytes (27 % of all files), 14,848 bytes, and 11 other variations.  You can stop the file from running in the background with the help of the Windows Task Manager.  You can find the file below Programs that is below the Control Panel.  After that, you can reinstall the program or redo the setup.

Whether you get the file available in a C: subdirectory, it will have a 42 % chance of being dangerous.  Generally, the size of the file is 11,776 bytes.

Is cefsharp.browsersubprocess.exe Safe? 

Cef or Chromium Embedded Framework is a famous project that multiple significant companies use.  That’s why the file is safe enough.

cefsharp.browsersubprocess.exe Error messages:

Error message 1:

  • Access violation at address FFFFFFFF in the module.

Error message 2:

  • CefSharp.BrowserSubprocess has stopped working, and Windows is checking for a solution to the problem.  (Problem occurred in Windows 7/8 & 10).

Error message 3:

  • CefSharp.BrowserSubprocess process has come across a problem and requires being closed.  (Problem faced with Windows XP).

Error message 4:

  • CefSharp.BrowserSubprocess has stopped working.  An error spawned the program to stop working correctly.  Windows will terminate the program and update you if clarification is available.  (Problem occurred in Windows 7/8 & 10).

Error message 5:

  • End program- CefSharp BrowserSubprocess.exe.  This program is not responding.

Is CefSharp BrowserSubprocess a Virus?

Check the location of the file to determine if it is a virus.  It would help if you first opened the task manager to check the extension file.  After that, your job is to tap on the Columns field.  After that, you are required to add the Verify Signer as a column.  Next, you should check the methods Verify Signer value.  If it says Unable to verify, then ensure that the file is a virus.

Should you remove CefSharp BrowserSubprocess?

If the circumstance is normal, the extension file consumes merely 14,848 bytes of RAM space.  In this case, the file will not cause issues like PC freezing or disk high CPU usage.  A few Trojan horse programs or files are available that can act as files.  If the file causes a high CPU problem, then remove the file.

File Location Check:

The process of checking the file location is as follows:-

  • Tap on the ctrl-alt-del first.
  • Then, you should tap the ‘Details Tab .’Now, test the file.
  • After that, your task is to highlight the file. Right-click, and then you should tap on the ‘Properties’ to get the display:

cefsharp.browsersubprocess.exe location check

  • You should write down the location. If you find the location as C:\\Windows\System32, ensure that you pass the test.

Causes of the Error cefsharp.browsersubprocess Messages:

The errors are occurred due to—

  • Problems with the host.
  • A current Windows update caused the Logitech program to look for the wrong file location.
  • Outdated file
  • Apps that you have loaded on an old machine
  • Multiple programs are opened on a PC.

How To Remove or Uninstall CefSharp.BrowserSubprocess: 

Perform the steps to remove the file from the PC.  Following the steps help to uninstall the file if you find this installed on the PC.

Whether you get this as a part of a software application, it needs to be accompanied by an uninstall program.  After that, your job is to execute the uninstaller available in a location like C: Program Files>The CefSharp Authors>AOL Desktop Gold >CefSharp.BrowserSubprocess> CefSharp.BrowserSubprocess.exe uninstall.exe or C:Program Files>The CefSharp Authors>AOL Desktop Gold >CefSharp.BrowserSubprocess> CefShar

If Windows Installer has installed this, then you have to uninstall this.  In this case, you are required to move to the System Settings.  Then, select the Add or Remove Programs option that is available from the drop-down menu.  Next, you have to search for the name of the program AOL Desktop Gold by going to the search box.  Find the developer name of The CefSharp Authors on the developer list.

Now, tap on this and select the Uninstall Program option.  Thus, you are capable of removing the file from your machine entirely.  As soon as you uninstall the software AOL Desktop Gold application, you must reboot the PC.

Is It Necessary to Allow cefsharp.browsersubprocess.exe to Run?

Usually, the file is very problematic.  Therefore, you are required to test the CefSharp. If you are going to check the PC’s security, then it is recommended to use the Security Task Manager.

How to Resolve CefSharp.BrowserSubprocess.exe High CPU Issue:

We have given here some methods to solve the issue.

Fix 1.  End the processes related to it:

Using Task Manager, you can end the processes related to the file.  It is a straightforward method to try.  Perform the steps given here.

Step 1.  Your first task is to tap on the Startup menu.  Then, your job is to choose the Task Manager by going to the context menu.

Step 2.  Tap on CefSharp.BrowserSubprocess.exe when you see the list of processes.  Then, you are required to choose End Task from the pop-up menu.

Step 3.  If you find any processes related to this running in the background, then you should turn it off.  Now, navigate to the Startup tab, and then you should tap on the option available in the list of installed programs.  After that, your job is to choose the Disabled option.

Fix 2.  Deleting the Files:

You can temporarily solve the high CPU usage issue by following the previous method.  If you get this available outside the C:\Windows\system32 folder, you need to delete it.

Step 1.  You should first tap on the Win + E keys for opening the File Explorer.  After that, your job is to look for the file.  Tap on the Ctrl + F keys for unlocking the search box.  Next, you should write this and tap on “Enter.”  Now, wait till your windows are not finding the file.

Step 2.  As soon as you get this available, tap on it.  Then, it would help if you chose the Open file location option.  Next, you are required to select all the CefSharp.BrowserSubprocess.exe files, and then you should tap on the Delete option.  Ensure that you are not deleting those available files at the C:\Windows\system32 folder.

Fix 3.  Give a Full Scan to the Device:

Sometimes, there is a chance of memory leaks or other issues.  Hence, you should perform a full scan of your system.  You can take the help of Advanced System Care as it helps scan viruses quickly.  It lets you know if there will be any threats on different versions of Windows 10, 8, 7, etc.  Scanning will help you find damaged or corrupted files and solve the error.

  1. You should first download and install the tool. Then, run it.
  1. Tap on the Scan option that is available below Clean & Optimize. After that, you need to mark the Select All box to scan the junk files, registries, software, etc.
  1. Click on the Fix option to enable the tool to solve problems like finding corrupted files, registries, software, etc.

The tool can detect the corrupted file and help to solve the issue.  Next, you should check your task manager to see if it is available on the device, like full disk usage.

Fix 4.  Use ‘PC Repair Tool’:

You can take the help of the PC Repair Tool to solve different issues like BSOD errors, DLL errors, EXE errors, issues with applications, malware or viruses issues, system files or registry problems, etc.

Fix 5.  Perform System Restore:

If the problem is still available, you should perform the System Restore operation on your Windows PC.  It allows you to restore the PC to a valid restore point.  Hence, you should follow the date & time to restore it.

Step 1: You are required to tap on the ‘Windows + R’ keys that are available on the keyboard.  Then, you should write ‘rstrui’ in the ‘Run’ window.  After that, tap on the ‘Ok’ button to open the ‘System Restore’ app.

Step 2:  Tap on the ‘Next’ option.  Then, you should choose a valid restore point as per date & time.  Now, tap on ‘Next > Finish’ for beginning the restoring method.  As soon as you finish, you need to reboot the PC.  At last, check if the problem exists.


In this article, we have given brief details of the cefsharp.browsersubprocess program and its other information.  We advise you not to download and install apps or documents from untrustworthy websites.  You should check the tool daily using a professional device.

Frequently Asked Questions: 

  • Is it causing High CPU Usage?

Open the Task Manager app first and then look for the process.  After that, you should check how much CPU is used.

  • Is it causing High Network Usage?

The file may use vast amounts of data to open the Task Manager windows app.  Check the percentage of your Network Usage.

  • How will you check GPU Usage?

By opening the Task Manager window, you must find the process in the name column.  Then, you should check the GPU usage column.

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