常见的杀毒软件几乎对于每个文件操作，每个网络访问，每个注册表操作，都要盘查过问，同时用多达几十万的病毒标本进行逐一比较，这样下来系统的资源大部分被杀毒软件占用了，常常让您的爱机变得其慢无比。Returnil虚拟影子系统最高时只占用1%不到的系统资源，而且在空闲时几乎不占用系统任何CPU资源。同时，Returnil虚拟影子系统无需频繁的升级病毒库，一次安装，永久有效，是新型的防毒免疫类产品。  
 
Returnil虚拟影子系统支持包括中文在内的10种语言，界面极其简单朴实，操作非常方便快捷。无需重启电脑，一个按钮即可让您的爱机进入“影子”保护模式，为您的网络冲浪，学习工作保驾护航。

Returnil虚拟影子系统支持XP，2003，Vista等操作系统，支持RAID等磁盘阵列体系，同时兼容IDE,SATA,CF卡等硬盘设备。

Main Features:
· Stops the danger of an online attack
· Protects your system from any attack by Viruses, Trojans, Worms, Adware, Spyware and Hackers
· Ensures and protects your internet privacy
· Saves you time and money by ensuring that your hard drive will not be infected with any harmful malware or that any of your data will be lost
· No need for regular daily virus and spyware database updates
· No need for the necessary disk defragmentation of your system partition
· Can read emails that may contain viruses or spyware ensuring that your important messages will not be missed
· Saves time that is needed to erase Cookies, URL history, Temporary File Cache, Recycle Bin, Clipboard, Windows Log Files, Windows Temporary Files
· Leaves absolutely no traces of your computer activities
· Eliminates all activities even if your computer is powered-off or crashes
· Eliminates the danger of testing new software
· Offers stronger, simpler and smarter protection for your PC
· Speeds up your web surfing and computer processing
· Seamless integrated with Windows Operating System
· Easy to use and setup

Returnil Virtual System is subscription based starting @ 24.95 for a single user license per year. This download is a 15 day trial.

新功能：加入了MBR保护功能，可以在保护系统分区的同时，保护MBR和第一磁道的安全。

注：在“改变工作模式”选项中选择“保护模式”即可使Returnil在每次开机后进入虚拟状态。

Latest Changes:
MBR protection now includes all 62 sectors
Correction added to address shut down issues

更新：http://www.returnilvirtualsystem.com/index_files/rvsbeta.htm
官网：http://www.returnilvirtualsystem.com
~Support Windows 2000 Pro, XP, 2003, Vista 32 bit ~

~这周要发布最终版了，呵呵~

v1.62.4029 Beta 下载：
http://www.modalresult.com/Setup.rar
or
http://download.betanews.com/download/1170266047/RVS-Beta-Setup.exe
or
http://files3.majorgeeks.com/files/f2617d00a4f462b47ee02e168ae3273b/admin/RVS-Beta-Setup.exe
v1.61 Final 下载：
http://www.qwerks.com/download/8756/setup.exe