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File Version : 6.1.7600.16385 (win7_rtm.090713-1255)
Description : Windows Hypervisor Interface 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 : WinHv.sys
File Size: 43600 byte(s) 42.592 KB
MD5 : d41f4ea6727415013405c7ffdd250dd8
SHA1: 52F07ACC0FBA6DBFDC89F51DAA38233B032009E2

Download W70n9x.sys
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How to Install W70n9x.sys
Repair Sys ProblemsFixing a corrupted or missing W70n9x.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.