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File Version : 2.21.2600.0
Description : ZyXEL UNO USB Serial Device Driver
Copyright : Copyright 2003 ZyDAS Technology Corporation
Product Version : 2.21.2600.0
Product Name : ZyXEL UNO modem driver
Company Name : ZyDAS Technology Corp.
Internal Name : ZDCDCDRV.SYS
File Size: 17664 byte(s) 17.256 KB
MD5 : 5898566d9236de9a821b78a90c500137
SHA1: E25E40E5310F549746FA759D435F2CC1A4A6B8AC

Download xfiltx64.sys
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How to Install xfiltx64.sys
Repair Sys ProblemsFixing a corrupted or missing xfiltx64.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.