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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: 45312 byte(s) 44.256 KB
MD5 : 7f7dbe38894b345442e6c1579d810357
SHA1: A46DD1B78E1288A9FFD787C0BF77B4400BA4C0A8

Download a83usb.sys
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How to Install a83usb.sys
Repair Sys ProblemsFixing a corrupted or missing a83usb.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.