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File Version : 1.5.11975.0 built by: WinDDK
Description : Adaptec Windows SATA Driver
Copyright : Copyright 2007 Adaptec, Inc. All rights reserved.
Product Version : 6.0.3790.16386
Product Name : Adaptec Windows 2000, XP and Server 2003 Embedded Serial ATA Family Driver
Company Name : Adaptec, Inc.
Internal Name : R3H2 1.10 CDA_V925 CHIM= $Version: V164A1$
File Size: 320048 byte(s) 312.560 KB
MD5 : b466fdb0017e84ef16373b355640bf18
SHA1: D7D5CE690FA08DEF1F781A6823290E593E475240

Download AAR81XX.sys
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How to Install AAR81XX.sys
Repair Sys ProblemsFixing a corrupted or missing AAR81XX.sys error is an easy process with a few steps. Open the zip-file you downloaded.Extract the .sys file to a location on your computer. We recommend you to unzip the file to the directory of the program that is requesting the file.
If that doesn't work, you will have to extract the file to your system directory.
By default, this is C:/WINNT/system32/drivers (Windows NT/2000).
or C:/Windows/system32/drivers (Windows XP, Vista, 7).
Make sure overwrite any existing files (but make a backup copy of the original file)
That should be it. Although not necessary you can reboot your computer as well.