Fix Asyncmac.sys Errors and Download Now

Last Updated: 09/05/2018
[Reading Time Required: 3.5 minutes]

Asyncmac.sys uses the SYS file extension, which is more specifically known as a MS Remote Access serial network driver file. It is classified as a Win32 EXE (Driver) file, created for Microsoft® Windows® Operating System by Microsoft.

Asyncmac.sys was first released for Windows Vista Operating System on 11/08/2006 with Windows Vista. The newest file release date for Windows 10 was 07/29/2015 [version 10.0.15063.0 (WinBuild.160101.0800)]. Asyncmac.sys is bundled with the software package in Windows 10, Windows 8.1, and Windows 8.

This article discusses complete file details, SYS file troubleshooting instructions for problems with asyncmac.sys, and a comprehensive set of free downloads for every file version that has been catalogued by our team.


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File Overview


General Information
File Name: asyncmac.sys
File Extension: SYS file extension
Description: MS Remote Access serial network driver
Object File Type: Driver
File Operating System: Windows NT 32-bit
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: Microsoft Corporation
Software Program: Microsoft® Windows® Operating System
Legal Copyright: © Microsoft Corporation. All rights reserved.
File Details
Character Set: Unicode
Language Code: English (U.S.)
File Flags: (none)
File Flags Mask: 0x003f
Entry Point: 0x7000
Code Size: 14848


What are asyncmac.sys Error Messages?


Asyncmac.sys Blue Screen of Death (BSOD) Errors

There are a number of reasons why you could be encountering issues with asyncmac.sys. Most of the issues concerning SYS files involve Blue Screen of Death (BSOD) errors. These types of asyncmac.sys errors can be cause by hardware problems, outdated firmware, corrupt drivers, or other software-related (eg. Windows update) issues. Some of these errors include:

A problem has been detected and Windows has been shut down to prevent damage to your computer. The problem seems to be caused by the following file: asyncmac.sys.

:( Your PC ran into a problem that it couldn't handle, and now needs to restart. You can search for the error online: [BSOD] (asyncmac.sys).

STOP 0x00000050: PAGE FAULT IN A NONPAGED AREA (asyncmac.sys)
STOP 0x0000000A: IRQL NOT LESS EQUAL (asyncmac.sys)
STOP 0x0000007E: SYSTEM THREAD EXCEPTION NOT HANDLED (asyncmac.sys)
STOP 0x0000001E: KMODE EXCEPTION NOT HANDLED (asyncmac.sys)
STOP 0×0000007A: KERNEL DATA INPAGE (asyncmac.sys)
STOP 0x0000003B: SYSTEM SERVICE EXCEPTION (asyncmac.sys)

It's Critical to Resolve Blue Screen of Death Errors

In the majority of cases, you will encounter asyncmac.sys BSOD errors after you've installed new hardware, software (Windows), or performed a failed Windows Update. In other cases, software corruption caused by a malware infection can lead to asyncmac.sys Blue Screen of Death errors. Therefore, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.


GEEK TIP : As a rule of thumb, it's always a good idea to create a Windows "Snapshot" backup / System Restore Point before making any hardware or software changes to your computer. That way, it's very easy to restore your system in the unfortunate event you encounter a asyncmac.sys Blue Screen of Death error after recent changes.



How to Fix asyncmac.sys Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your asyncmac.sys issue. These troubleshooting steps are listed in the recommended order of execution.


Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. When you see the search box, type "System Restore" and press "ENTER".
  3. In the search results, find and click System Restore.
  4. Please enter the administrator password (if applicable / prompted).
  5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
  6. Restore your computer to that backup image.

If the Step 1 fails to resolve the asyncmac.sys error, please proceed to the Step 2 below.

Step 2: Run SFC (System File Checker) to restore the corrupt or missing asyncmac.sys file.

System File Checker is a utility included with every Windows version that allows you scan and restore corrupted system files. Use the SFC tool to fix missing or corrupt asyncmac.sys files (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "cmd" but DO NOT PRESS "ENTER".
  3. Press and hold "CTRL-Shift" on your keyboard while pressing "ENTER".
  4. You'll be prompted with a permission dialog box.
  5. In the box, click "YES".
  6. You should have a black screen with a blinking cursor.
  7. In that black screen, type "sfc /scannow" and hit "ENTER".
  8. SFC will begin scanning for asyncmac.sys issues and any other system file problems.
  9. Follow any on-screen commands to complete the process.

Please be aware that this scan might take a while, so please be patient while it is working.

If this Step 2 fails as well, please proceed to the Step 3 below.

sfc /scannow

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many asyncmac.sys error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

  1. Hit the Windows Start button
  2. In the search box, type "Update" and press "ENTER".
  3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
  4. If updates are available for download, click "Install Updates".
  5. After the update is completed, restart your PC.

If Windows Update failed to resolve the asyncmac.sys error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.



If Those Steps Fail: Download and Replace Your asyncmac.sys File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate asyncmac.sys file version. We maintain a comprehensive database of 100% malware-free asyncmac.sys files for every applicable version of Windows. Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download asyncmac.sys Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy the file into the appropriate directory for your Windows version:

  4. Windows 10: C:\Windows\System32\drivers\
    Windows 8.1: C:\Windows\System32\drivers\
    Windows 8: C:\Windows\System32\drivers\
    Windows 7: C:\Windows\System32\drivers\
    Windows Vista: C:\Windows\System32\drivers\
    Show 2 more directories +
    Windows XP: C:\WINDOWS\system32\dllcache\
    Windows XP: C:\Windows\System32\drivers\
  5. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve asyncmac.sys problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.



Download asyncmac.sys Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying asyncmac.sys to your appropriate Windows system directory. Microsoft typically does not release Windows SYS files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing asyncmac.sys and all other SYS files for Windows. An incorrectly installed SYS file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10
Windows 8.1
Windows 8
Windows 7
Windows Vista
Windows XP


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MSIRCOMM.sys Windows System Configuration Windows Vista 30208 C:\Windows\System32\DriverStore\FileRepository\...
hidbatt.sys Hid Battery Driver Microsoft® Windows® Operating System (10.0.15063.0) 30112 C:\Windows\System32\drivers\
secdrv.sys Macrovision SECURITY Driver Macrovision SECURITY Driver (SECURITY Driver 4.03.086 2006/09/13) 20480 C:\Windows\System32\drivers\
crcdisk.sys Disk Block Verification Filter Driver Microsoft® Windows® Operating System (6.1.7600.16385) 24144 C:\Windows\System32\DriverStore\FileRepository\...

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