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File version : Build 16 (x86-W2K3) built by: buildsrv
Description : Smart Array SAS/SATA Controller Storport Driver
Copyright : Copyright (c) 2004-2010 Hewlett-Packard Development Company, L.P. ALL RIGHTS RESERVED.
Product Version : Build 16 (x86-W2K3)
Product Name : Smart Array SAS/SATA Controller Storport Driver
Company Name : Hewlett-Packard Company
Internal name : HpCISSs2.sys
File Size: 114280 byte(s) 111.616 KB
MD5 : 190297af6312d07b271f978298b19a5b
SHA1: 5DBDEA6CFA8C0A65285C661A1ED135CC1E10EF56

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How to Install hpcisss4.sys
Repair Sys ProblemsFixing a corrupted or missing hpcisss4.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.