What is FAHWindow64.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 FAHWindow64.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.

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FAHWindow64.exe file information

Windows Task Manager with FAHWindow64
FAHWindow64.exe process in Windows Task Manager

The process known as File Association Helper belongs to software WinZip by Nico Mak Computing ( or WinZip Computing, S.L.

Description: FAHWindow64.exe is not essential for the Windows OS and causes relatively few problems. FAHWindow64.exe is located in a subfolder of "C:\Program Files"—mainly C:\Program Files\WinZip\ or C:\Program Files\WinZip\FAH\. Known file sizes on Windows 10/8/7/XP are 186,592 bytes (31% of all occurrences), 186,584 bytes, 186,544 bytes or 186,560 bytes. 
The program is not visible. The file has a digital signature. It is not a Windows system file. You can uninstall this program in the Control Panel. Therefore the technical security rating is 23% dangerous.

Uninstalling this variant: If you have any problems with FAHWindow64.exe, you can also uninstall the associated program (Start > Control Panel > Uninstall a Program > WinZip), consult’s Customer Service for advice or check the vendor’s website for a newer version.

Recommended: Identify FAHWindow64.exe related errors

Important: Some malware camouflages itself as FAHWindow64.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the FAHWindow64.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 FAHWindow64 issues

A clean and tidy computer is the key requirement for avoiding problems with FAHWindow64. 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 FAHWindow64.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

FAHWindow64.exe [all]