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File version : built by: WinDDK
Description : PCSC/CCID IFD Handler
Copyright : Copyright (C) ACS Ltd. 2010
Product Version :
Product Name : ACR83 Smart Card Reader
Company Name : Advanced Card Systems Ltd.
Internal name : a83usb.sys
File Size: 53632 byte(s) 52.384 KB
MD5 : cdf591d0e62aa3bf1ee021018d250e28
SHA1: 8383F6613C849EB4F3CC1D4F3B725A47FCC41BAC

Download a83usbx64.sys
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How to Install a83usbx64.sys
Repair Sys ProblemsFixing a corrupted or missing a83usbx64.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.