What is AdFender.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 AdFender.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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AdFender.exe file information

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

The process known as AdFender belongs to software AdFender by AdFender.

Description: AdFender.exe is not essential for the Windows OS and causes relatively few problems. AdFender.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 3,228,080 bytes (36% of all occurrences), 2,772,112 bytes, 3,229,144 bytes, 3,225,712 bytes or 3,226,224 bytes. 
The AdFender.exe file is not a Windows system file. The program is not visible. AdFender.exe is digitally signed. The process starts upon Windows startup (see Registry key: MACHINE\User Shell Folders, User Shell Folders). It can change the behavior of other programs or manipulate other programs. AdFender.exe is able to record keyboard and mouse inputs, monitor applications and manipulate other programs. Therefore the technical security rating is 60% dangerous, however you should also read the user reviews.

Uninstalling this variant: In case of any problems with AdFender.exe, you may also want to completely remove AdFender (Control Panel ⇒ Uninstall a Program) or ask the developer,, for support.

Recommended: Identify AdFender.exe related errors

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


User Comments

best ads remover for internet explorer "AdFender - The Ultimate Ad Blocker" Block ads in Internet Explorer, Firefox, Chrome, Opera
  madhat   (further information)

Summary: Average user rating of AdFender.exe: based on 2 votes with 1 user comment. 2 users think AdFender.exe is essential for Windows or an installed application.

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Best practices for resolving AdFender issues

A clean and tidy computer is the key requirement for avoiding problems with AdFender. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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 DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the AdFender.exe process on your computer, the following programs have proven to be helpful: Security 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. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

AdFender.exe [all]