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File Version : 6.1.7600.16385 (win7_rtm.090713-1255)
Description : NT Lan Manager Datagram Receiver Driver
Copyright : Microsoft Corporation. All rights reserved.
Product Version : 6.1.7600.16385
Product Name : Microsoft Windows Operating System
Company Name : Microsoft Corporation
Internal Name : browser.sys
File Size: 69632 byte(s) 68.0 KB
MD5 : fcafaef6798d7b51ff029f99a9898961
SHA1: A552ADB31E009201506DAD487C85ED7828B5F345

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