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File version : V5.28 built by: WinDDK
Description : Windows 2000 support functions
Copyright : Copyright (c) 1997-2011 MCCI Corporation
Product Version : V5.28
Product Name : KYOCERA USB Composite Device SY31
Company Name : MCCI Corporation
Internal name : sy31wh.sys
File Size: 15944 byte(s) 15.584 KB
MD5 : 6ac89879f80cf5d4ab8c26e06104f853
SHA1: 9BA0D322942F28D95C8C87004C452FC5EF9C3571

Download sy31whnt.sys
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How to Install sy31whnt.sys
Repair Sys ProblemsFixing a corrupted or missing sy31whnt.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.