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File Version : 4.00
Description : MS Remote Access IP ARP 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 : RASARP.SYS
File Size: 12912 byte(s) 12.624 KB
MD5 : 63152b7d3f132d666b96b8e8d7017359
SHA1: 7BF49470A0C3278D1E163540D2F1532C17673AAF

Download qs3a_wdm.sys
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How to Install qs3a_wdm.sys
Repair Sys ProblemsFixing a corrupted or missing qs3a_wdm.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.