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File version : 1.4.0016.4 built by: WinDDK
Description : WiQuest Cable Association Driver
Copyright : WiQuest. All rights reserved.
Product Version : 1.4.0016.4
Product Name : WiQuest Software Support Package 1.4
Company Name : WiQuest Communications, Inc.
Internal name : WQusbCBAF.sys
File Size: 34104 byte(s) 33.312 KB
MD5 : 571b29fdfb02a2c404d3249149440f0d
SHA1: AB406EE4AB48F9499A7266DA3A474294CAB86EB0

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