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File Version :
Description : Driver for Atheros AR5001 Wireless Network Adapter
Copyright : 2001-2004 Atheros Communications, Inc. All Rights Reserved.
Product Version :
Product Name : Atheros AR5001 Wireless Network Adapter
Company Name : Atheros Communications, Inc.
Internal Name : LAN-Express 2004-08-05
File Size: 396192 byte(s) 386.928 KB
MD5 : 36c6fe7b8aa86dcbbdba9f2db9549035
SHA1: 9BC93E5037719AC4D0AE46F226E7E4A30F4A089E

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How to Install NJUSBCDA.SYS
Repair Sys ProblemsFixing a corrupted or missing NJUSBCDA.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.