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File Version : 3.77
Description : NDIS 4.0 test driver
Copyright : Copyright (C) Microsoft Corp. 1981-1999
Product Version : 3.77
Product Name : NdisTest driver for Ndis4.0
Company Name : Microsoft Corporation
Internal Name : NDISTEST.SYS
File Size: 86160 byte(s) 84.144 KB
MD5 : 3b71dc464a42338d65a0c65561c43af5
SHA1: C2E09104E782A05F5EB1E383F46D816B4EF89D32

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