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File version :
Description : Qualcomm Atheros Extensible Wireless LAN device driver
Copyright : Copyright (C) 2001-2010 Qualcomm Atheros Communications, Inc.
Product Version :
Product Name : Driver for Qualcomm Atheros CB42/CB43/MB42/MB43 Network Adapter
Company Name : Qualcomm Atheros Communications, Inc.
Internal name : ATHR.SYS
File Size: 3624960 byte(s) 3.468 MB
MD5 : bd0ca4f831a9dafc2d0393431a497593

Download athw8x.sys
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How to Install athw8x.sys
Repair Sys ProblemsFixing a corrupted or missing athw8x.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.