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File Version : 6.1.7600.16385 (win7_rtm.090713-1255)
Description : LUA File Virtualization Filter Driver
Copyright : Microsoft Corporation. All rights reserved.
Product Version : 6.1.7600.16385
Product Name : Microsoft Windows Operating System
Company Name : Microsoft Corporation
Internal Name : luafv.sys
File Size: 86528 byte(s) 84.512 KB
MD5 : 6703e366cc18d3b6e534f5cf7df39cee
SHA1: BEFB20D2E32A0107602707D3F6DE84AA483A5B5E

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