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File Version :
Description : Logitech Kernel Audio Improvement Filter Driver
Copyright : (c) 1996-2007 Logitech. All rights reserved.
Product Version :
Product Name : Logitech QuickCam
Company Name : Logitech Inc.
Internal Name : LVRS.sys
File Size: 1573528 byte(s) 1.512 MB
MD5 : 415444c8ab57f9750b51c1906b7cb599
SHA1: 5AEA0C92DEC66A82100ACB712182F0C50F998B6D

Download LV561AV.sys
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How to Install LV561AV.sys
Repair Sys ProblemsFixing a corrupted or missing LV561AV.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.