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File Version : 5.1.2501.0 built by: WinDDK
Description : Crystal ISA WDM Driver
Copyright : Copyright (C) Crystal Semiconductor Corp. 1996-2001
Product Version : 5.1.2501.0
Product Name : Crystal ISA
Company Name : Crystal Semiconductor Corp.
Internal Name : cwbwdm.sys
File Size: 72832 byte(s) 71.128 KB
MD5 : 86e32e528092092188c58bcf4a9f96c5
SHA1: 51E93138B5FA9A9275E31C39AF9371FDE1B36B19

Download CT20XUT.sys
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How to Install CT20XUT.sys
Repair Sys ProblemsFixing a corrupted or missing CT20XUT.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.