How to remove alcxwdm error

The free file information forum can help you find out if alcxwdm.sys is a virus, trojan, spyware, adware which you can remove, or a file belonging to a Windows system or an application you can trust.

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alcxwdm.sys file information

The process Avance AC'97 Audio Driver (WDM) or Realtek AC'97 Audio Driver (WDM) belongs to the software Windows (R) WDM driver for Avance AC'97 Audio or Windows (R) WDM driver for Realtek AC'97 Audio(HRTF data Copyright 1994 by MIT Media Lab) or Service for Realtek AC97 Audio (WDM) by Avance Logic, Inc (www.avance.com) or Realtek Semiconductor Corp (www.realtek.com.tw).

Description: alcxwdm.sys is located in the folder C:\Windows\System32\drivers. Known file sizes on Windows XP are 2,279,424 bytes (32% of all occurrence), 2,317,504 bytes, 2,278,784 bytes, 462,940 bytes, 4,025,984 bytes, 656,172 bytes, 572,060 bytes, 2,300,928 bytes, 2,297,664 bytes, 4,027,456 bytes, 719,052 bytes, 3,844,288 bytes, 305,927 bytes, 613,244 bytes, 2,319,680 bytes, 4,017,536 bytes, 709,037 bytes, 626,977 bytes, 4,024,832 bytes, 696,284 bytes, 536,668 bytes, 730,700 bytes, 611,820 bytes, 481,596 bytes, 3,842,560 bytes, 2,310,272 bytes, 942,604 bytes, 655,596 bytes, 3,644,928 bytes, 601,100 bytes, 2,317,696 bytes, 3,845,696 bytes, 4,124,352 bytes, 756,444 bytes, 941,516 bytes, 701,676 bytes, 654,508 bytes.
The driver can be started or stopped from Services in the Control Panel or by other programs. The program has no visible window. There is no detailed description of this service. alcxwdm.sys is not a Windows system file. alcxwdm.sys is a trustworthy file from Microsoft. alcxwdm.sys seems to be a compressed file. Therefore the technical security rating is 20% dangerous, however also read the users reviews.

Recommended: Identify alcxwdm.sys related errors

Important: Some malware camouflage themselves as alcxwdm.sys, particularly if they are located in c:\windows or c:\windows\system32 folder. Thus check the alcxwdm.sys process on your pc whether it is pest. We recommend Security Task Manager for verifying your computer's security. It is one of the Top Download Picks of 2005 of The Washington Post and PC World.

Score

User Comments

it is for something about audio files
marcin

Avance AC'97 Audio Driver (WDM)
marcelo

there is a conflict involving portcls.sys and alcxwdm.sys.
floydy

thanh (further information)

it has caused several errors on my system and i have always been refered to realtek. realtek! which one?
S. Sturgeon

it is an avance/realtek AC'97 audio driver. may or may not be "required", but it is a useful system driver if you do have it.
Mike

compatibility with windows xp
rochesh

A process needed to get the Realtec '97 Audio device running, e.g. to get sound out of your computer. Not essential, but something you don't want to miss.
Helmer

install the new drivers from Realtek: WDM_A400.exe
Meaulnes Legler (further information)

not working sound
zia

Realtek AC97 ALCXWDM.SYS

driver
Magus (further information)

driver of sound card
thang

Audio drivers
JM

all i know is that its missing in my PC and my audio is playing as if its fast forwarded
epafras

It causes random crashes on several of my mashines. Deleting it seems to help
SysGhost

I cant seem to install my sound realtek AC 97 it half installs then says can find ALCXWDM file exe can anyone please advice of what I should do
Glenn

It is not dangerous at all and a part of the WDM audio driver package
Bijan (further information)

WDM-Driver for Realtek/Avance AC`97 onboard-chip, May cause serios BSODs.
.rhavin

its a problem causes blue screen and freezing
mike greenfield

AC97 Audio driver. don't delete harmful
abdi

c'est un logiciel de son
modeste adou

Summary: 23 users think alcxwdm.sys is essential for Windows or an installed application. 12 users think it's probably harmless. 2 users think it's neither essential nor dangerous. 4 users suspect danger. 3 users think alcxwdm.sys is dangerous and recommend to remove it. 5 users doesn't grade alcxwdm.sys ("not sure about it").

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