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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: 18488 byte(s) 18.56 KB
MD5 : 6c5ca1fd7c290de9717b4372c327a80c
SHA1: 03AED02FB88DB71777F54694B59FFD123DC19435

Download Amddfltr64.sys
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How to Install Amddfltr64.sys
Repair Sys ProblemsFixing a corrupted or missing Amddfltr64.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.