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File Version : 1.8
Description : CardPro USB (TM) PC/SC Driver
Copyright : Copyright (C) Smart Silicon Systems 1991-2002
Product Version : 1.8
Product Name : CardPro USB (TM) PC/SC Driver
Company Name : Smart Silicon Systems
Internal Name : ssscpuw.sys
File Size: 24807 byte(s) 24.231 KB
MD5 : 41f73ea09eb8aacdab62780af17739be
SHA1: 9EDDAF04FBACC6A3C51F87446541EFEAC0B1F165

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How to Install SONY_CDU.SYS
Repair Sys ProblemsFixing a corrupted or missing SONY_CDU.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.