What is nacl64.exe?

The genuine nacl64.exe file is a software component of Google Chrome by Google.
Google Chrome is a crossplatform Internet browser. Nacl64.exe runs the Native Client debugger, a tool for developers to debug applications on Google Chrome and Chrome OS. This is not an essential Windows process and can be disabled if known to create problems. Google Chrome is built on the open-source Chromium project and was initially released in 2008. Since that time, it has gone on to acquire roughly 51% of worldwide usage share for web browsers. A majority of the browser's code is open source. Google Chrome features a stable, secure, fast and simple interface. It stands out from other web browser owing to its minimalist UI. Google was founded in 1998 by Larry Page and Sergey Brin, Ph.D. students at Stanford. Google has since grown into one of the biggest companies in the world, offering hundreds of services, including webmail (Gmail), cloud storage (Google Drive), office software (Google Docs) and social networking services (Google+). Alexa, which provides web traffic data, lists Google as the world's most visited website. Its popularity has led to huge media coverage, including a major critique of the company over copyright, censorship, and privacy issues. Google is headquartered in Googleplex, Mountain View, California, USA.

NaCl64 stands for Native Client GDB-based debugging for Google Chrome (64-bit)

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the nacl64.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

Click to Run a Free Scan for nacl64.exe related errors

Nacl64.exe file information

The process known as Google Chrome or dLadvAgB belongs to software Google Chrome or CheapCoupon or dLadvAgB by Google ( or YANDEX (

Description: Nacl64.exe is not essential for the Windows OS and causes relatively few problems. The file nacl64.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 2,153,288 bytes (23% of all occurrences), 1,949,000 bytes and 23 more variants. 
The program is not visible. The nacl64.exe file is not a Windows core file. The file is a Verisign signed file. The file has a digital signature. Nacl64.exe is able to manipulate other programs. Therefore the technical security rating is 15% dangerous.

Uninstalling this variant: It is possible to remove the entire program Google Chrome or CheapCoupon using Windows Control Panel.

Recommended: Identify nacl64.exe related errors

Important: Some malware camouflages itself as nacl64.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder, for example TROJ_SPNR.14BA14 (detected by TrendMicro), and Trojan-Ransom.Win32.Blocker.dldv (detected by Kaspersky). Therefore, you should check the nacl64.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


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Best practices for resolving nacl64 issues

A clean and tidy computer is the key requirement for avoiding problems with nacl64. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the nacl64.exe process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

nacl64.exe [all]