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File version : built by: WinDDK
Description : Csr Bluetooth USB Driver filter
Copyright : Copyright Cambridge Silicon Radio Limited, 2010-11Cambridge Silicon Radio Limited
Product Version :
Product Name : Harmony
Company Name : Cambridge Silicon Radio Limited
Internal name : csrusbfilter
File Size: 23752 byte(s) 23.200 KB
MD5 : d2ef74c29a95e8814bc0bcff3f21d4d1
SHA1: 0AC1CD96E2973764BEA37242F8A2986ABFDA3006

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