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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 : nvm62x64
File Size: 346472 byte(s) 338.360 KB
MD5 : c0a0f2f1068a4e8b0666df768caa93d9
SHA1: A652500CD17C1A62A644A5358EA5F0DA0C4C30CD

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