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File Version : 6.00.6000.4
Description : A4Tech PS/2 Port Mouse Filter Driver
Copyright : Copyright (C) A4Tech Co.,Ltd. 2001-2007
Product Version : 6.00.6000.4
Product Name : A4Tech Mouse Driver
Company Name : A4Tech Co.,Ltd.
Internal Name : Amps2prt.sys
File Size: 21504 byte(s) 21.0 KB
MD5 : 4b19c44c75ccd24837c79eceb8f4a747

Download Amfltx64.sys
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How to Install Amfltx64.sys
Repair Sys ProblemsFixing a corrupted or missing Amfltx64.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.