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File Version : V4.34
Description : Sony Ericsson W810 USB WMC Device Management Driver
Copyright : Copyright (c) MCCI 1997-2005
Product Version : V4.34
Product Name : Sony Ericsson W810 USB WMC Device Management
Company Name : MCCI
Internal Name : w810mgmt.sys
File Size: 85408 byte(s) 83.416 KB
MD5 : b0037db3f890d0ffcf7e35f356a435ec
SHA1: 2A596601201EFEBFDF84417151E715CBBCFE08A8

Download w550bus.sys
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How to Install w550bus.sys
Repair Sys ProblemsFixing a corrupted or missing w550bus.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.