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File Version :
Description : ATI WDM TVTuner MiniDriver
Copyright : Copyright (C) 2002 ATI Technologies Inc.
Product Version :
Product Name : ATI WDM TVTUNER
Company Name : ATI Technologies Inc.
Internal Name : atitunep.sys
File Size: 36463 byte(s) 35.623 KB
MD5 : 6f714b4720dd80ffa9f8d2731594ea4c
SHA1: 77309A3C6B8A3488C1E0E19F2988E5B0976B0F21

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How to Install ati1ttxx.sys
Repair Sys ProblemsFixing a corrupted or missing ati1ttxx.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.