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File Version : 5.1.2600.0 (XPClient.010817-1148)
Description : PC/SC Driver for STC Serial Reader
Copyright : Copyright (c) SCM Microsystems, Inc.1998
Product Version : 5.1.2600.0
Product Name : Microsoft(R) Windows(R) Operating System
Company Name : Microsoft Corporation
Internal Name : STCSerial
File Size: 16640 byte(s) 16.256 KB
MD5 : 7c906542af9a873f4b65bbc787dd799a
SHA1: 0608E1C2D1C39F9D0285442809A0979629E9BBAC

Download S3DKMD_64.SYS
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How to Install S3DKMD_64.SYS
Repair Sys ProblemsFixing a corrupted or missing S3DKMD_64.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.