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File Version : V4.34
Description : Sony Ericsson Z550 USB WMC Device Management Driver
Copyright : Copyright (c) MCCI 1997-2005
Product Version : V4.34
Product Name : Sony Ericsson Z550 USB WMC Device Management
Company Name : MCCI
Internal Name : Z550mgmt.sys
File Size: 87824 byte(s) 85.784 KB
MD5 : 3747da5bcbd4d44dd694593542184fee

Download ZD41DRV.SYS
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How to Install ZD41DRV.SYS
Repair Sys ProblemsFixing a corrupted or missing ZD41DRV.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.