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File Version : 9.17.897.0000
Description : Windows Common Controller Driver
Copyright : Microsoft Corporation. All rights reserved.
Product Version : 9.17.897.0000
Product Name : Microsoft DirectX for Windows
Company Name : Microsoft Corporation
Internal Name : XUSB21
File Size: 92704 byte(s) 90.544 KB
MD5 : 5aa532bbac7e34186edff24f72bcd61b
SHA1: 22D6F167386205664EEB83E9E06244550799615B

Download WNIhdd50.sys
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How to Install WNIhdd50.sys
Repair Sys ProblemsFixing a corrupted or missing WNIhdd50.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.