What is MacHALDriver?

The genuine MacHALDriver.sys file is a software component of Boot Camp by Apple.
MacHALDriver.sys is a system driver that is associated with Apple Boot Camp, a program that lets users install and run Windows operating systems on their Macintosh. Drivers are software programs that are used to facilitate communication between the hardware devices and the computer. This is not an essential Windows process and can be disabled if known to create problems. Apple Boot Camp is a group of technologies that enable users to run BIOS-based operating systems on any Intel-based Apple Macintosh. To install Windows, the program requires an Apple keyboard, mouse or trackpad, or a USB keyboard and mouse; a Windows installer disk image of DVD and atleast 55 GB of hard disk space. Apple Inc. is an American company that develops consumer electronics, computer software, as well as online services. The company is known for its smartphones, tablet computers, personal computers, media players and smartwatches. Apple develops the OS X and iOS operating systems, the iTunes media player, the Safari web browser, as well as several dozen productivity suites. Apple was founded by Steve Jobs, Steve Wozniak, and Ronald Wayne in 1976, to develop and sell personal computers. The company is currently based in Cupertino, California, USA. part of a process that recognizes the connected Apple devices (iPod, iPhone, iPad) and is part of the program iTunes. You can also turn off the wireless (Wi-Fi) synchronization of iTunes, then ATH.exe will consume fewer resources.

MacHALDriver stands for Macintosh Hardware Application Layer Driver

MacHALDriver.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the operating system, hardware etc. The free file information forum can help you determine if MacHALDriver.sys is a Windows system file or if it belongs to an application that you can trust.

Run a free scan to check for MacHALDriver drivers in need of updating

MacHALDriver.sys file information

The process known as Mac HAL Driver belongs to software Mac HAL or Boot Camp Services by Apple (

Description: MacHALDriver.sys is not essential for the Windows OS and causes relatively few problems. MacHALDriver.sys is located in the C:\Windows\System32\drivers folder. Known file sizes on Windows 10/8/7/XP are 12,928 bytes (60% of all occurrences), 11,520 bytes or 6,528 bytes. 
The driver can be started or stopped from Services in the Control Panel or by other programs. The software has no file description. The program has no visible window. The service has no detailed description. MacHALDriver.sys is not a Windows system file. MacHALDriver.sys appears to be a compressed file. Therefore the technical security rating is 37% dangerous.

Uninstalling this variant: If you are having problems with MacHALDriver.sys, you can completely remove Boot Camp-tj√§nster (Control Panel ⇒ Uninstall a Program).

Recommended: Identify MacHALDriver.sys related errors

Important: Some malware disguises itself as MacHALDriver.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the MacHALDriver.sys 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 MacHALDriver issues

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

MacHALDriver.sys [all]