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File Version : 4.00
Description : Syster Manager NT Drier
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 : xysdev.sys
File Size: 72560 byte(s) 70.880 KB
MD5 : aee94ab3ea6a39af7d9fe154d002673b
SHA1: 3994BBC40199A6E8CA7C567E5F67BC4B6E2FFB74

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