What is WButton.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 WButton.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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WButton.exe file information

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

The process known as WButton MFC Application or newapp MFC Application belongs to software WButton Application or newapp Application or Launch Manager by Wistron (

Description: WButton.exe is not essential for the Windows OS and causes relatively few problems. WButton.exe is located in a subfolder of "C:\Program Files" or sometimes in a subfolder of C:\—e.g. C:\Program Files\Launch Manager\. Known file sizes on Windows 10/8/7/XP are 86,016 bytes (31% of all occurrences), 81,920 bytes and 11 more variants. 
The application has no file description. The application is loaded during the Windows boot process (see Registry key: MACHINE\Run, Run). WButton.exe is not a Windows core file. The program is not visible. WButton.exe is able to record keyboard and mouse inputs. Therefore the technical security rating is 51% dangerous, however you should also read the user reviews.

Uninstalling this variant: In case you experience problems using WButton.exe, you might want to use the software publisher's support site or completely remove Launch Manager or QuickTime (Control Panel ⇒ Uninstall a Program).

Recommended: Identify WButton.exe related errors

External information from Paul Collins:

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

Wireless networking card activation/deactivation button controler. Iritating yet harmless, and necessary alas.
It controls the Wireless LAN Hotkey on some notebooks
Harmless, if not in Windows-dir (e.g. in c:\Program Files\LaunchManager\wbutton.exe). As Paul Collins mentioned, part of acer TabletPCs hotkey handling but also some other laptop devices (e.g. so-called "Aldi-PC"-Notebook). Necessary for turning on/off Bluetooth/WLAN feature on runtime via hotkey
Tatsache, für den WLAN-Knopf am Acer-NB
it is harmless: works with Intel(R) PRO/Wireless 2200BG Network Connection
Needed program to start the WLAN card via hotkey in some notebooks (i.e. Medion)
Notwendiger "Knopf" zum Ein-/Ausschalten der WLan-Funktion z. B. bei MEDION-Notebooks
ist der wireless an/ausschalter bei media laptops / vista

Rating chart

Summary: Average user rating of WButton.exe: based on 9 votes with 8 user comments. 7 users think WButton.exe is essential for Windows or an installed application. One user thinks it's probably harmless. One user thinks WButton.exe is dangerous and recommends removing it.

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Best practices for resolving WButton issues

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

WButton.exe [all]