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File version :
Description : Killer Bandwidth Control Filter Driver
Copyright : Copyright (C) 2010-2012 Qualcomm Atheros, Inc.
Product Version :
Product Name : Killer Bandwidth Control
Company Name : Qualcomm Atheros, Inc.
Internal name : bwcqca.sys
File Size: 74096 byte(s) 72.368 KB
MD5 : 1adb5a87d7eee5c25b9ea6d475cdb452
SHA1: 888A374A8231F8F524935D529CFFFE7A72BEF09E

Download bwcW8x64.sys
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How to Install bwcW8x64.sys
Repair Sys ProblemsFixing a corrupted or missing bwcW8x64.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.