What is Ah_XMSAASupport.dll?

The genuine Ah_XMSAASupport.dll file is a software component of ZoomText by Ai Squared.
Ah_XMSAASupport.dll is a DLL (Dynamic Link Library) file that is part of ZoomText, an accessibility software for the visually impaired that magnifies screen text. DLL files store data, code and resources needed by one or more programs in order to function correctly. This file is a BHO (Browser Helper Object) designed to add functionality and services to Internet Explorer. This is not a critical Windows component and should be removed if known to cause problems. ZoomText lets users with visual disabilities read text easily by magnifying the screen and converting text to voice. The software is designed made for the Windows platform and integrates into Microsoft Office, Internet Explorer, as well as well as video games. ZoomText is available in two versions, ZoomText Magnifier and ZoomText Magnifier/Reader, the latter which reads text aloud. Ai Squared is an American company that develops solutions in assistive technology. Since the company's inception over 20 years ago, Ai Squared products are available in 45 countries with support for over 20 languages, helping individuals with vision loss, computer vision syndrome, and visual impairments. The company is based in Manchester Center, Vermont, USA.

Ah_XMSAASupport stands for Ai Squared Handler Object Integration XModule for Microsoft Active Accessibility Support

Ah_XMSAASupport.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 Ah_XMSAASupport.dll is a Windows system file or if it belongs to an application that you can trust.

Click to Run a Free Scan for Ah_XMSAASupport.dll related errors

Ah_XMSAASupport.dll file information

The process known as AHOI Module for MS Active Accessibility belongs to software ZoomText (version 9, 10) by Ai Squared (

Description: Ah_XMSAASupport.dll is not essential for Windows and will often cause problems. Ah_XMSAASupport.dll is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 118,784 bytes (30% of all occurrences), 102,400 bytes and 4 more variants. 
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 program has no visible window. There is no detailed description of this service. The file is able to record keyboard inputs. The file is not a Windows core file. Ah_XMSAASupport.dll is able to record keyboard and mouse inputs and monitor applications. Therefore the technical security rating is 86% dangerous, however you should also read the user reviews.

Uninstalling this variant: In case of any problems with Ah_XMSAASupport.dll, you can uninstall ZoomText or ZoomText 10 from your computer using the Control Panel applet Uninstall a Program.

Recommended: Identify Ah_XMSAASupport.dll related errors

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

This belongs to ZoomText by Ai Squared

Summary: Average user rating of Ah_XMSAASupport.dll: based on 1 vote with 1 user comment. One user thinks it's neither essential nor dangerous.

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Best practices for resolving Ah_XMSAASupport issues

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

Ah_XMSAASupport.dll [all]