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File Version : V4.50 built by: WinDDK
Description : HUAWEI Mobile CMCC Modem Controller
Copyright : Copyright (c) 1997-2009 MCCI Corporation
Product Version : V4.50
Product Name : HUAWEI Mobile CMCC Modem Controller
Company Name : MCCI Corporation
Internal Name : hwtdmdmc.sys
File Size: 158208 byte(s) 154.512 KB
MD5 : 90dfbf8a549f8f1ebf80be805e6ffc41
SHA1: 92E41589DA38A5AC306F137EA92F78909C390D0D

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