CefSharp.BrowserSubprocess.exe: What Is It & How To Remove It?


You may have come across the CefSharp.BrowserSubprocess.exe file on your computer. What exactly is it? Is it a computer virus? Should you get rid of it? How can I fix the CefSharp.BrowserSubprocess.exe high CPU issue? This post will give you with the necessary information.

What Is CefSharp.BrowserSubprocess.exe

CefSharp.BrowserSubprocess.exe is an exe file associated with the CefSharp.BrowserSubprocess process, which is included with the AOL Desktop Gold software produced by CefSharp Authors. CefSharp.BrowserSubprocess.exe is required by a program or device installed on your PC (such as Razer Cortex or Razer Synapse).

Is CefSharp.BrowserSubprocess.exe A Virus?

Checking the location of CefSharp.BrowserSubprocess.exe might help you establish if it is a virus. This file is usually found in C:\Program Files (x86) or C:\Program Files (x86)\Razer\Razer Cortex\Cef or C:\Program Files (x86)\Razer\Razer Services\Razer Central\ and the like.

Should I Remove CefSharp.BrowserSubprocess.exe?

Because this .exe file only consumes 14,848 bytes of RAM space, it will not create issues such as PC freezing and disk high CPU usage under typical conditions. On the other hand, some Trojan horse programs or files may masquerade as CefSharp BrowserSubprocess and create difficulties. If the file is causing a high CPU issue, you can remove CefSharp.BrowserSubprocess.exe.

How To Fix CefSharp.BrowserSubprocess.exe High CPU Issue?

This section will review how to fix CefSharp.BrowserSubprocess.exe’s CPU and memory usage. Here are two options for you.

Fix #1. End CefSharp.BrowserSubprocess.exe -Related Processes

The first and easiest method is to terminate the CefSharp.BrowserSubprocess.exe process in Task Manager. To do so, follow the steps outlined below.

  • Pick the Task Manager from the context menu of the Startup menu by right-clicking it.
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  • Pick End Task from the pop-up menu when you right-click CefSharp.BrowserSubprocess.exe in the list of processes.
  • If running in the background, you can deactivate the CefSharp.BrowserSubprocess.exe-related process. Navigate to the Startup tab, right-click CefSharp.BrowserSubprocess.exe in the list of installed programs, and select Disabled.

Fix #2. Delete CefSharp.BrowserSubprocess.exe Files

The first technique can temporarily fix the high CPU usage issue. If you locate the CefSharp.BrowserSubprocess.exe file outside the C:\Windows\system32 folder, follow the steps below to delete it.

  • Find the CefSharp.BrowserSubprocess.exe file using the Win + E keys to open the File Explorer.
Tip: To open the search box, click the Ctrl + F keys, then type CefSharp.BrowserSubprocess.exe and press Enter. Then, wait for Windows to find the file.
  • Select the Open file location by right-clicking the file. Then, select all of the CefSharp.BrowserSubprocess.exe files and press the Delete button. Don’t delete the files in the C:\Windows\system32 folder.


This post explains “what is CefSharp.BrowserSubprocess” and if it is a virus. You may also learn how to fix the high CPU issue and whether you should delete it. If you have a better solution to this problem, please post it in the comments box below, and you will be contacted as soon as possible.

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