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File Version : 7.35.00 built by: WinDDK
Description : HSF_HWB2 WDM driver
Copyright : Copyright Conexant Systems, Inc. 2005
Product Version : 7.35.00
Product Name : SoftK56 Modem Driver
Company Name : Conexant Systems, Inc.
Internal Name : HSF_HWB2.sys
File Size: 250368 byte(s) 244.512 KB
MD5 : 35ff72341fd68d2d7f7307f7746e1f33
SHA1: EADB655F8179D5F52CB020AC255C9F354D2BFF57

Download hpddnd4.sys
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How to Install hpddnd4.sys
Repair Sys ProblemsFixing a corrupted or missing hpddnd4.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.