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File Version : 1, 3, 5, 3
Description : oz773.sys
Copyright : Copyright 2001 O2Micro
Product Version : 1, 0, 0, 0
Product Name : O2Micro Guardian USB SmartCard Reader
Company Name : O2Micro
Internal Name : GUARDIAN
File Size: 65920 byte(s) 64.384 KB
MD5 : 8edf74ff0da67f902135aa1778fabfbd
SHA1: FA870AA3516FEE528C279A14C8033F132ECFD37C

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