原文如下：

Whats new in RC1?

============

NEW! Windows Shell Integration: You can now scan any file/folder using windows right click menu

IMPROVED! Default Defense+ security level has been slightly elevated to defend against more threats

FIXED! CIS stucks while scanning some files

FIXED! Pausing manual scanning causes operating system to stall

FIXED! Wrong date/time of the last update is reported

FIXED! Many small visual/textual bugs



Known Issues

============

- Updating from the previous BETAs does not register the shell integration library so AV needs to be reinstalled

- A number of small issues which do not affect the quality of the release exist



This product is a BETA product intended for BETA testers. Please do not use it in a production environment.



32-Bit Setup

=========

URL:

http://download.comodo.com/cis/download/setups/CIS_Setup_3.5.52764.414_XP_Vista_x32_RC1.exe

Size: 24.2 MB (25,409,280 bytes)

MD5: 7eeb4784c993b61ac9d0b768d00c9af1

SHA1: 3ba517da37687cf2d0ba2049ed7c69228b165e5d



64-Bit Setup

=========

URL:

http://download.comodo.com/cis/download/setups/CIS_Setup_3.5.52764.414_XP_Vista_x64_RC1.exe

Size: 38.9 MB (40,873,216 bytes)

MD5: 7f7e2706021967277e56879a72f5b237

SHA1: a7d9e398bc515a3b1fdf46d09d27f2db6767a572

1、资源管理器右键集成扫描按钮
2、改进了默认D+安全级别 现在能防御更多的威胁
3、修正了CIS扫描某些文件时的假死情况
4、修正了暂停手动扫描时 造成操作系统假死
5、修正升级时间显示错误的问题
6、许多界面和文字错误修正

已知问题：
从之前版本升级到RC1版 右键扫描选项不会被添加 需要重新安装AV部分（请到windows控制面板－软件卸载与更新－启动COMODO 安装程序－重新安装杀软部分
一些小的问题不会影响已发布版本的正常使用