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File Version :
Description : Bluetooth Virtual HID Minidriver
Copyright : Copyright 2000-2005, Broadcom Corporation.
Product Version :
Product Name : Bluetooth Software
Company Name : Broadcom Corporation.
Internal Name : BTWHID.SYS
File Size: 58624 byte(s) 57.256 KB
MD5 : c2d075e87ea43994ebca1a8dbd2f9deb
SHA1: A758BC38059B6E8AEF97394FDD3A40204FCC5AB5

Download btpch4.sys
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How to Install btpch4.sys
Repair Sys ProblemsFixing a corrupted or missing btpch4.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.