Search for sys files:


File Version : 6.1.7600.16385 (win7_rtm.090713-1255)
Description : Windows USB Class Driver BETA
Copyright : Microsoft Corporation. All rights reserved.
Product Version : 6.1.7600.16385
Product Name : Microsoft Windows Operating System
Company Name : Microsoft Corporation
Internal Name : winusb.sys
File Size: 34944 byte(s) 34.128 KB
MD5 : 30fc6e5448d0cbaaa95280eeef7fedae

Download wch7xxnt.sys
Click here to run a free scan for wch7xxnt.sys related errors

How to Install wch7xxnt.sys
Repair Sys ProblemsFixing a corrupted or missing wch7xxnt.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.