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File Version : 1,2,2,0 built by: WinDDK
Description : M-Audio Sonica Driver
Copyright : Copyright 2002 MIDIMAN, Inc. All rights reserved.
Product Version : 1,2,2,0
Product Name : M-Audio Sonica Driver
Company Name : Nemesis
Internal Name : M-Audio Sonica Driver
File Size: 27008 byte(s) 26.384 KB
MD5 : 2e97ef08fe4e0cf45cd59e95c6baa578
SHA1: 9D9A35878561DF86035F704DDE9E1686A352A5CD

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How to Install MEIUDF.SYS
Repair Sys ProblemsFixing a corrupted or missing MEIUDF.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.