Adaptec Windows SATA Storport Driver is also known as aar81xx.sys. This driver file goes along with other products for Windows 2000, Windows XP and Server 2003 Adaptec Embedded Serial ATA Family Driver.
The aar81xx.sys is usually found in directory of C:\Progam Files\Common Files by default. This file is executable and it contains drivers of up to 108,648 bytes in size. You could also find 12,800 bytes, 22,016 bytes, 15,458 bytes, 34,358 bytes, 15,578 bytes as well as 45,311 bytes of this file.
Moreover, aar81xx.sys is also notorious in making the following error messages whenever the system is shutting down:
“The instruction at “0x059a2df” referenced memory at 0x059a2df” the memory could not be written. Click OK to terminate the Program.”
The properties of aar81xx.sys error differ greatly, ranging from poor PC performance, hard disk space shortage to total system failure. Therefore, it is highly advised to fix this kind of error once detected. Here are some of the problems that you could experience when you have an aar81xx.sys error.
- Slow system start up
- Failure to launch related programs
- Frequent program crashes
- Radom system restart
- Program lock-ups
- PC shutdown errors
In case you get an aar81xx.sys error, it is possible to resolve this problem by deleting the below files and folders manually.
- %UserProfile%\Application Data\PAV\
- =%UserProfile%\Application Data\defender.exe
- %UserProfile%\Local Settings\Temp\kjkkklklj.bat
- %Documents and Settings%\All Users\Application Data\mswd\db.avdb
For Windows 2000 and Windows XP platform, %UserProfile% refers to the C:\Documents and Settings\ folder, for Windows Vista or Windows 7, the folder is C:\Users\.
On the other hand, if you have doubts in fixing the problem manually, you might want re-install the program or simply look for the appropriate driver update. File errors are often caused by more than one missing or corrupted file and copying just one file could cause more issues.
The 64-bit version of aar81xx is a SCSI driver for 64-bit Windows operating systems. This was released on November 17, 2008 and it supports the following driver models:
- Adaptec HostRAID Management Processor Device (Pseudo)
- Adaptec AAR-1420SA Serial ATA HostRAID Controller
- Adaptec AAR-1430SA Serial ATA HostRAID Controller
This driver update package can be installed on any computer systems with Windows 2000 x64, Windows XP AMD64, Windows 2003 x64 or Windows NT x64. This also comes in a .zip file, and it is also recommended for you to have an archiving software on your computer, like WinZip, WinRar or 7zip. You can download this driver package by going to this download link.
It is very important that you take some preventive measures in order to prevent the aggravating aar81xx.sys errors or other issues and for you to enjoy an error-free computer in the long run.