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File Version : V5.22
Description : HSPADataCard WMC Bus Driver
Copyright : Copyright (c) 1997-2010 MCCI Corporation
Product Version : V5.22
Product Name : HSPADataCard WMC Bus Driver
Company Name : MCCI Corporation
Internal Name : u302bus.sys
File Size: 119112 byte(s) 116.328 KB
MD5 : d7b5c463518517aa606c4a1a5ad13c05
SHA1: C472C7DBBCB81C93643852AD074CC351BED0669C

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