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File Version :
Description : Cisco Systems VPN Adapter
Copyright : Copyright 1998-2007 Cisco Systems, Inc.
Product Version : 5.0
Product Name : Cisco Systems VPN Client
Company Name : Cisco Systems, Inc.
Internal Name : CVirtA.SYS
File Size: 5275 byte(s) 5.155 KB
MD5 : b5ecadf7708960f1818c7fa015f4c239
SHA1: 8A226F60DA4465357D7B52A5B03E5DF200C47F94

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