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File Version : 1.1.0001.0 built by: WinDDK
Description : Virtual Audio Device
Copyright : Copyright (C).2007-2007
Product Version : 1.1.0001.0
Product Name : Windows (R) 2000 DDK driver
Company Name : luckyju
Internal Name : vadhw.sys
File Size: 19200 byte(s) 18.768 KB
MD5 : afaad7fa7f8ff51251210a09d0335c1d
SHA1: 913FD3C8A020950AA3C28C303C9B0384CFC1064E

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