What is WNA1100.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 WNA1100.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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WNA1100.exe file information

Windows Task Manager with WNA1100
WNA1100.exe process in Windows Task Manager

The process known as Netgear belongs to software NETGEAR WNA1100 (version N150 Wireless USB Adapter) or NETGEAR WNA1100 wireless USB (version 2.0 adapter) by NETGEAR (

Description: WNA1100.exe is not essential for the Windows OS and causes relatively few problems. The file WNA1100.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 4,545,024 bytes (54% of all occurrences), 4,562,944 bytes, 8,247,264 bytes or 8,266,456 bytes. 
The WNA1100.exe file is not a Windows system file. The program has no visible window. The software starts upon Windows startup (see Registry key: MACHINE\User Shell Folders). There is no information about the author of the file. WNA1100.exe is able to record keyboard and mouse inputs and monitor applications. Therefore the technical security rating is 58% dangerous.

Uninstalling this variant: It is possible to ask the software vendor,, for advice or remove the entire program NETGEAR WNA1100 N150 Wireless USB Adapter or NETGEAR WNA1100 wireless USB 2.0 adapter using Windows Control Panel.

Recommended: Identify WNA1100.exe related errors

Important: Some malware camouflages itself as WNA1100.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the WNA1100.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 WNA1100 issues

A clean and tidy computer is the key requirement for avoiding problems with WNA1100. 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 WNA1100.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

WNA1100.exe [all]