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File Version : V4.50 built by: WinDDK
Description : HUAWEI Mobile CMCC Modem
Copyright : Copyright (c) MCCI Corporation 1997-2009
Product Version : V4.50
Product Name : HUAWEI Mobile CMCC Modem
Company Name : MCCI Corporation
Internal Name : hwtdsce.sys
File Size: 123904 byte(s) 121.0 KB
MD5 : 90919a9e35264f2b49c1210f161afac7
SHA1: 4C5698F912191D47835762858A17C0682DF4B0B7

Download IASTOR55.sys
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How to Install IASTOR55.sys
Repair Sys ProblemsFixing a corrupted or missing IASTOR55.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.