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File Version : V4.34
Description : Sony Ericsson W550 USB WMC Modem Filter Driver
Copyright : Copyright (c) MCCI 1997-2005
Product Version : V4.34
Product Name : Sony Ericsson W550 USB WMC Modem Filter Driver
Company Name : MCCI
Internal Name : w550mdfl.sys
File Size: 8336 byte(s) 8.144 KB
MD5 : 8cf6ae2c9d08c6950912b28fd3ac19e4
SHA1: 6F2A9DF99A191048D4391E00710374BD98C82FC7

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