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File version : Version 8.0.0. Build 204 built by: WinDDK
Description : Bluetooth USB driver
Copyright : Copyright (C) Atheros 2008
Product Version : Version 8.0.0. Build 204
Product Name : Atheros Bluetooth Suite
Company Name : Atheros
Internal name : 0000/00/00 00:00:00
File Size: 94336 byte(s) 92.128 KB
MD5 : c47225e7c59adf3c88e563c86498a705
SHA1: D22D5C1306465356D85AFFED7967969F53870A59

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