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File version : 3, 0, 0, 2
Description : Description string for IdefDrv driver
Copyright : Copyright (c) Your Corporation199X-200X
Product Version : 3, 0, 0, 2
Product Name : Your Product Name
Company Name : Your Corporation
Internal name : IdefDrv.sys
File Size: 16920 byte(s) 16.536 KB
MD5 : ab0e06ff1f2a8563fbbdc9af0d98e918
SHA1: CEB02CB8AEF727019321E943D06F32FEE5CCFF85

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