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File version : 5.00.2195.5438
Description : ContactLess Bus Enumerator
Copyright : Copyright (C) Microsoft Corp. 1981-1999
Product Version : 5.00.2195.5438
Product Name : Windows (R) 2000 DDK driver
Company Name : Windows (R) 2000 DDK provider
Internal name : CTbus.sys
File Size: 15232 byte(s) 14.896 KB
MD5 : daec26c48fa21996f7c9ccb3808747b3
SHA1: 1127E56087784B8F084B43E97CECB77328B15FD9

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