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File version : 5.1.0000.00 built by: WinDDK
Description : AMD Disk Lower Filter Driver
Copyright : Copyright(c) Advanced Micro Devices.
Product Version : 5.1.0000.00
Product Name : AMD disk lower filter driver
Company Name : Advanced Micro Devices
Internal name : AmdDfltr.sys
File Size: 15416 byte(s) 15.56 KB
MD5 : c26488bfb5278b3d357f99d3bbc790c9
SHA1: A73EE66B049AB0D6FE4D667DB3F85AFC4344CD44

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