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File Version :
Description : NVIDIA MCP Networking Function Driver.
Copyright : Copyright 2001-2009 NVIDIA Corporation
Product Version :
Product Name : NVIDIA Networking Driver
Company Name : NVIDIA Corporation
Internal Name : nvmfdx64
File Size: 340584 byte(s) 332.616 KB
MD5 : 722f648a4624d9eb2cb324e3bb7e070c
SHA1: E008BCAC3E4D7A8E462BDCC42B3DFD28A762174E

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