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File Version : 1.31.0312.2002
Description : 802.11b Wireless NDIS 5 USB Driver
Copyright : Copyright (c) 2002, Accton Corporation
Product Version : 1.31.0312.2002
Product Name : 802.11b Wireless LAN
Company Name : Accton Corporation
Internal Name :
File Size: 49740 byte(s) 48.588 KB
MD5 : 7cd5549beeb3ee35b15365c0378781ac
SHA1: AB753C30DB95FC1B48AD1A6E9993CECCC462D925

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