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File Version : 4.10.3022
Description : Crystal PCI WDM Ring 3 Interface
Copyright : Copyright (C) Crystal Semiconductor Corp. 1991-1999
Product Version : 4.10.3022
Product Name : Crystal WDM PCI Driver
Company Name : Crystal Semiconductor Corporation
Internal Name : cwcspud3.sys
File Size: 21728 byte(s) 21.224 KB
MD5 : 0b39ffb4d96aea8e999b46404d610714
SHA1: E39700A74506BE5D013A672950B9ED1138F0F8D9

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