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File Version :
Description : Bluetooth Serial Driver for Windows 2000
Copyright : Copyright 2000-2005, Broadcom Corporation.
Product Version :
Product Name : Bluetooth Software
Company Name : Broadcom Corporation.
Internal Name : BTSERIAL.SYS
File Size: 23271 byte(s) 22.743 KB
MD5 : fc3760453c4eaf7fff8a7abf7e16cbcb
SHA1: 2C67929F3D7179F3EE80734B605F8704BE833FF0

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