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File version : V4.50 built by: WinDDK
Description : Windows 2000/XP support functions
Copyright : Copyright (c) 1997-2009 MCCI Corporation
Product Version : V4.50
Product Name : HUAWEI Mobile Composite Device
Company Name : MCCI Corporation
Internal name : hwtdwh.sys
File Size: 15872 byte(s) 15.512 KB
MD5 : 621d3fb5d33ac4dea46aa89e9f9ed591
SHA1: C1EAB678F4D4185CA934C1AAE973F26447ED68E3

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