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File Version :
Description : NVIDIA Networking Soft-NPU Driver.
Copyright : Copyright 2001-2007 NVIDIA Corporation
Product Version :
Product Name : NVSNPU
Company Name : NVIDIA Corporation
Internal Name : NVSNPU Windows 2000/XP
File Size: 261632 byte(s) 255.512 KB
MD5 : ecf391e4572f0078a24e157a69a87e80
SHA1: D5016817181D2D41EF7779CA9F36A9A4020B5305

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