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File version :
Description : YunDun Firewall Driver
Copyright : Copyright (c) 2011
Product Version :
Product Name : YunDun Firewall
Company Name :
Internal name : YunDun Firewall
File Size: 56832 byte(s) 55.512 KB
MD5 : 35b56ef0549b6eea917f6ac087fe348f
SHA1: 8E4E098287B11E1679AEFC41890DE6FBB9A4DF72

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