Search for sys files:


File Version : 1.30.004
Description : USB Mass-Storage Class WDM Driver
Copyright : Copyright (C) CFD Sales INC.
Product Version : 1.30.04
Product Name : USB Mass-Storage Class WDM Driver
Company Name : CFD Sales INC.
Internal Name : KRUSBBLK.SYS
File Size: 40756 byte(s) 39.820 KB
MD5 : 04f1e6578d4170642f9fef1a3a5ec9a1
SHA1: 8202A4242E2238C36AEF19F480B6D40FA0D70202

Click here to run a free scan for KMWDKUSB.SYS related errors

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