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File version : built by: WinDDK
Description : Network filtering component
Copyright : Copyright Kaspersky Lab 1996-2012.
Product Version :
Product Name : Kaspersky Anti-Virus
Company Name : Kaspersky Lab
Internal name : KLTDI
File Size: 54104 byte(s) 52.856 KB
MD5 : ffc0501a1ea742406f1904a0cfe3bfe2
SHA1: 990BFAF6BB6A9EA72B090D79B7016AE34CC9E5AB

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