What is waterfox.exe?

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 waterfox.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 waterfox.exe related errors

Waterfox.exe file information

The process known as Waterfox belongs to software Waterfox by Waterfox or Mozilla (

Description: Waterfox.exe is not essential for the Windows OS and causes relatively few problems. Waterfox.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 913,872 bytes (20% of all occurrences), 2,300,192 bytes, 721,008 bytes, 1,016,480 bytes or 700,416 bytes. 
It is not a Windows core file. The file has a digital signature. Waterfox.exe is able to manipulate other programs. Therefore the technical security rating is 12% dangerous.

Uninstalling this variant: You can uninstall the program Waterfox, update it, or try to get help from the software vendor. Click on to update it, click on to visit the vendor's website, or click on Waterfox in Windows Control Panel (section Software or Programs) to uninstall it.

Recommended: Identify waterfox.exe related errors

If waterfox.exe is located in a subfolder of the user's profile folder, the security rating is 80% dangerous. The file size is 1,007,776 bytes. The program is not visible. The waterfox.exe file is certified by a trustworthy company. The software listens for or sends data on open ports to a LAN or the Internet. It is not a Windows system file. Waterfox.exe is able to manipulate other programs.

Uninstalling this variant: You could safely remove the program using the uninstall program of Waterfox (Control Panel ⇒ Uninstall a Program).

Important: Some malware camouflages itself as waterfox.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the waterfox.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 waterfox issues

A clean and tidy computer is the key requirement for avoiding problems with waterfox. 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 waterfox.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

waterfox.exe [all]