How to remove iaStor error

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iaStor.sys file information

The process Intel Application Accelerator driver or Intel Matrix Storage Manager driver or Intel Matrix Storage Manager driver - ia or Intel Matrix Storage Manager driver - x belongs to the software Intel RAID Controller or Intel Integrated RAID or Intel AHCI Controller or Intel Matrix Storage Manager driver or iaStor by Intel Corporation (www.intel.com).

Description: File iaStor.sys is located in the folder C:\Windows\System32\drivers. Known file sizes on Windows XP are 874,240 bytes (39% of all occurrence), 872,064 bytes, 870,912 bytes, 467,200 bytes, 274,816 bytes, 250,368 bytes, 201,088 bytes, 277,784 bytes, 477,952 bytes, 871,040 bytes.
The driver can be started or stopped from Services in the Control Panel or by other programs. The program has no visible window. The service has no detailed description. iaStor.sys is not a Windows core file. File iaStor.sys is a Microsoft signed file. iaStor.sys seems to be a compressed file. Therefore the technical security rating is 24% dangerous, however also read the users reviews.

Recommended: Identify iaStor.sys related errors

Important: Some malware camouflage themselves as iaStor.sys, particularly if they are located in c:\windows or c:\windows\system32 folder. Thus check the iaStor.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.

IAStor.sys is bei Intel Chipsätzen für die Ansteuerung der Festplatten bzw. anderer Massenspeichergeräten am IDE/SATA Controller notwendig
  Gonscho   (further information)

System blue screene while running audit32 for trackit
   

if you want to re- instal windows you got to have this file, or else your setup will freeze
  bjoyer  

I just deleted mine on the same error and now i am unable to reach the windows log on screen befor it bsod on me
  B money  

HP Pavilions also affected
  Lance Vannorsdel  

IASTOR.SYS is a driver used to control the SATA disks, usually for raid systems but still used in normal single disk setups as well. It should NOT be removed.
  waldbm  

bei start mit der wiederherstellungskonsole sagt er mir iastor.sys konnte nicht gefunden werden.
  AMaertirer  

Intel Application Accelerator RAID Edition
   

necessary file as it blocks windows from starting up when damaged
  Simmons  

Windows XP needs it so instal.
  Adam Ehrman Shapiro  

iastor.sys is the intel matrix storage manager driver file. You may be able to start and stop it but once windows loads it's always running anyways if you have a HDD controller that needs it.
  Mike   (further information)

This file was made by Intel to give Windows more access to the harddrive. It is a file that Dell machines will request upon an installation of windows xp.
  Otto  

If you have RAID configuration do not remove file!
  Roni   (further information)

iaStor scanner

Security Task Manager shows all running Windows tasks including embedded hidden functions (e.g. keyboard or browser monitoring, autostart entry). A unique security risk rating indicates the likelihood of the process being potential spyware, malware, keylogger or a Trojan.

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