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File Version : V4.22
Description : Sony Ericsson V800-Vodafone 802SE USB WMC OBEX Interface Device Driver
Copyright : Copyright (c) MCCI 1997-2004
Product Version : V4.22
Product Name : Sony Ericsson V800-Vodafone 802SE USB WMC OBEX Interface
Company Name : MCCI
Internal Name : v800obex.sys
File Size: 75584 byte(s) 73.832 KB
MD5 : 7d66f658563cf251da0a8a6ee1494b00
SHA1: A3D4CF41D62B8D8010CB0FCE631753DD2F5DB6F3

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How to Install USBKBFLT.SYS
Repair Sys ProblemsFixing a corrupted or missing USBKBFLT.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.