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File Version :
Description : Network Dispatch Driver
Copyright : Copyright 2002 - 2007 Symantec Corporation
Product Version : 7.2
Product Name : Symantec Security Drivers
Company Name : Symantec Corporation
File Size: 278840 byte(s) 272.312 KB
MD5 : 56731d1f423387d97f1586378b519dd7
SHA1: F6152A43810A6503CEC46A0D0E944679B6346E23

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