What is gwmhook.dll?

Gwmhook.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if gwmhook.dll is a Windows system file or if it belongs to an application that you can trust.

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Gwmhook.dll file information

The GWMHOOK.DLL process does not contain any company information.

Description: Gwmhook.dll is not essential for the Windows OS and causes relatively few problems. Gwmhook.dll is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 86,016 bytes (50% of all occurrences) or 53,248 bytes. 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. The file is a file with no information about its developer. It is not a Windows system file. The program is not visible. There is no detailed description of this service. It can change the behavior of other programs or manipulate other programs. The program starts when Windows starts (see Registry key: AppInit_DLLs). Gwmhook.dll is able to record keyboard and mouse inputs. Therefore the technical security rating is 83% dangerous, however you should also read the user reviews.

Recommended: Identify gwmhook.dll related errors

Important: Some malware camouflages itself as gwmhook.dll. Therefore, you should check the gwmhook.dll 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

Has to do with WindowEyes screen reader by GW Micro
    (further information)
Part of the Windows Eyes screen reader for the blind
  Leonard Erickson   (further information)
It is a file from Windows-Eyes application but the digital signature is blank
Window Eyes screen reader requires this .dll
  David Imrie  

Summary: Average user rating of gwmhook.dll: based on 4 votes with 4 user comments. 4 users think gwmhook.dll is essential for Windows or an installed application.

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Best practices for resolving gwmhook issues

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

gwmhook.dll [all]