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File version : 2011, 2, 22, 1
Description : nProtect Firewall Core Driver
Copyright : Copyright(C) INCAInternet. 2000-2011
Product Version : 2011, 2, 22, 1
Product Name : nProtect Firewall Core Driver
Company Name : INCA Internet Co.,Ltd.
Internal name : npfw.sys
File Size: 123432 byte(s) 120.552 KB
MD5 : d3e24e185745e5bfd602430f6508783f
SHA1: 092ACAA7129FB55F70B6917AB8864CE003A01514

Download Npfw4.sys
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How to Install Npfw4.sys
Repair Sys ProblemsFixing a corrupted or missing Npfw4.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.