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File Version :
Description : NVIDIA Networking Function Driver.
Copyright : Copyright 2001-2007 NVIDIA Corporation
Product Version :
Product Name : NVENETFD
Company Name : NVIDIA Corporation
Internal Name : NVEFD2K
File Size: 54528 byte(s) 53.256 KB
MD5 : 45db2ac5dd31bc7b9add75e2e348c132
SHA1: 38A7D773D52C0A5D04BAC2E633D532232E30868F

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