In today’s digital landscape, it’s not uncommon to stumble upon unfamiliar processes running on your computer. CefSharp.BrowserSubprocess.exe might be one such enigmatic entity that has caught your attention, causing a flurry of questions and concerns. Is it a virus? Should you be worried? In this comprehensive guide, we delve into the depths of CefSharp.BrowserSubprocess.exe, shedding light on its purpose, potential issues, and how to ensure your computer’s security.


What is CefSharp.BrowserSubprocess.exe?

CefSharp.BrowserSubprocess.exe is an executable file commonly found on Windows PCs, often associated with various programs. Developed by CefSharp Authors developers, this file is particularly prevalent among gamers, as it is bundled with Razer software such as Razer Cortex, Razer Synapse, and AOL Desktop Gold. You can typically locate this file in the Razer folder, residing at either C:\Program Files (x86) or C:\Program Files (x86)\Razer\Razer Cortex\Cef.

Dealing with High CPU Usage

If you’ve noticed a spike in CPU usage attributed to CefSharp.BrowserSubprocess.exe, there’s no need to hit the panic button just yet. Here’s a simple method to address this issue:

  1. Download and Install Advanced System Optimizer: This powerful program is equipped with tools designed to fix system errors and declutter your hard disk. Run it on your computer, and you’ll witness noticeable improvements.
  2. Optimize Your PC: Within the Advanced System Optimizer, you’ll find modules for security, cleaning, and optimization. Click on the “Optimize” button in the Smart PC Care window to resolve any issues, including those related to CefSharp.BrowserSubprocess.exe.

Is CefSharp.BrowserSubprocess.exe a Virus?

Now that we’ve unraveled the identity of CefSharp.BrowserSubprocess.exe, it’s essential to address a critical concern: is it a virus? In most cases, it isn’t. However, in today’s landscape of cyber threats, caution is paramount. Malicious actors often camouflage their files with names similar to legitimate Windows files, making it imperative to stay vigilant.

Safeguarding Your PC with Systweak Antivirus

To ensure your computer’s security, consider installing Systweak Antivirus, a comprehensive protection suite for Windows. Here’s how it can shield your PC:

  • Web Protection: Prevents you from accessing malicious websites.
  • Real-time Protection: Monitors ongoing activities and halts malicious downloads.
  • Regular Updates: Maintains a database of threats, keeping your computer secure.

How to Use Systweak Antivirus

  1. Download and Install: Begin by downloading and installing Systweak Antivirus on your computer.
  2. Run a Scan: Initiate a scan to detect potential threats and malicious content on your system.
  3. Remove Suspicious Files: If you come across a file resembling cefsharp.browsersubprocess.exe, don’t hesitate to delete it. It could be a dangerous file masquerading as a legitimate Windows component.

Frequently Asked Questions

  1. Is CefSharp BrowserSubprocess EXE safe?
    • CefSharp.BrowserSubprocess.exe is a legit Windows file associated with various programs.
  2. What is CefSharp?
    • CefSharp is a means to embed a standard web browser into a .NET application. It’s often used in software like Razer Cortex and Razer Synapse.
  3. Where can I find cefsharp browsersubprocess?
    • You can locate the cefsharp.browsersubprocess.exe file in the Razer folder within the Program Files on your computer.
  4. How to delete browsersubprocess in Windows 10?
    • While generally not recommended, you can consider removing browsersubprocess if it’s causing high CPU usage or if you suspect a trojan hiding under its name.


In conclusion, understanding CefSharp.BrowserSubprocess.exe is crucial for maintaining a secure and optimized PC. If you don’t use programs associated with this file, removing it may enhance your computer’s performance. For comprehensive system optimization, the Advanced System Optimizer is a valuable tool.