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File Version : V4.34
Description : Windows 2000/XP support functions
Copyright : Copyright (c) MCCI 1997-2005
Product Version : V4.34
Product Name : Sony Ericsson Z550 USB WMC OBEX Interface
Company Name : MCCI
Internal Name : Z550cm.sys
File Size: 6208 byte(s) 6.64 KB
MD5 : b9a8714ceaea728fcad0232e04ee891d
SHA1: 2DE18D45662202CE56BA05C6375CD03913928B14

Download z800whnt.sys
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How to Install z800whnt.sys
Repair Sys ProblemsFixing a corrupted or missing z800whnt.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.