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File Version : built by: WinDDK
Description : NDIS5.1 Miniport Driver for Marvell Yukon Ethernet Controller
Copyright : Copyright 2002-2007 Marvell . All rights reserved.
Product Version :
Product Name : Marvell Yukon Ethernet Controller
Company Name : Marvell
Internal Name : YK51X64.sys
File Size: 343552 byte(s) 335.512 KB
MD5 : fb48ef7ae1a8aae6f2c71c5f86b7114c
SHA1: C884723F9F04FA4710EB0E3AACEB37B907EEBDD0

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