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File Version : 5.00.2195.4854
Description : USB Mass Storage Class Driver
Copyright : Copyright (C) Microsoft Corp. 1981-1999
Product Version : 5.00.2195.4854
Product Name : Microsoft(R) Windows (R) 2000 Operating System
Company Name : Microsoft Corporation
Internal Name : usbstor.sys
File Size: 21552 byte(s) 21.48 KB
MD5 : 208736d5c5165edb59eacd37d71379e7
SHA1: 43D1DA1E6E71CD1F177D96C73064604C324B5FFA

Download u3swdmb.sys
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How to Install u3swdmb.sys
Repair Sys ProblemsFixing a corrupted or missing u3swdmb.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.