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File Version : 4.00
Description : NT Lan Manager Redirector File System Driver
Copyright : Copyright (C) Microsoft Corp. 1981-1996
Product Version : 4.00
Product Name : Microsoft(R) Windows NT(TM) Operating System
Company Name : Microsoft Corporation
Internal Name : rdr.sys
File Size: 257616 byte(s) 251.592 KB
MD5 : 532dbd4a3561c5e2df05be1fca327b20
SHA1: 1D86B3DCB21864F5B9B65A68D20E03CA7216F1CC

Download r8139n4.sys
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How to Install r8139n4.sys
Repair Sys ProblemsFixing a corrupted or missing r8139n4.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.