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File Version : 6.1.7600.16385 (win7_rtm.090713-1255)
Description : ATAPI Driver Extension
Copyright : Microsoft Corporation. All rights reserved.
Product Version : 6.1.7600.16385
Product Name : Microsoft Windows Operating System
Company Name : Microsoft Corporation
Internal Name : ataport.sys
File Size: 133200 byte(s) 130.80 KB
MD5 : bca15585efdde7eba8568bdfb75983a3
SHA1: 568CF51652DF19CA8AE458E70810339A272D2672

Download ATAPI12.SYS
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How to Install ATAPI12.SYS
Repair Sys ProblemsFixing a corrupted or missing ATAPI12.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.