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File Version : V4.50 built by: WinDDK
Description : HUAWEI Mobile CMCC Modem Filter Driver
Copyright : Copyright (c) 1997-2009 MCCI Corporation
Product Version : V4.50
Product Name : HUAWEI Mobile CMCC Modem Filter Driver
Company Name : MCCI Corporation
Internal Name : hwtdmdfl.sys
File Size: 18944 byte(s) 18.512 KB
MD5 : 0f3352fee256ff798c41aefbf11a88ab
SHA1: B08AE6553A9D7A8A5BC60080E88636EFAAD75715

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