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File version : 6.2.9200.16384 (win8_rtm.120725-1247)
Description : USB3 HUB Driver
Copyright : Microsoft Corporation. All rights reserved.
Product Version : 6.2.9200.16384
Product Name : Microsoft Windows Operating System
Company Name : Microsoft Corporation
Internal name : usbhub3.sys
File Size: 445168 byte(s) 434.752 KB
MD5 : 12eab6fb15b572d9c6d9ffc33f87ec3f
SHA1: C82D78FD00AB8D639C0863A8FE69A6B648B432C0

Download USBHUB3.SYS
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How to Install USBHUB3.SYS
Repair Sys ProblemsFixing a corrupted or missing USBHUB3.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.