• Windows 8 Support
• PPPoE protocol driver can cause crashes in Windows 8

• Windows 8 Support

• Compatibility with other security suites is improved in Windows 7 x64
• BSOD when corrupted executables are loaded in memory in Windows 7 x64
• HIPS can leak process handles with a special set of access rights
• Smart scan crashes under certain circumstances

• Bug causing failed detections on stateful mode on non-NTFS volumes

• Seamless Trustconnect integration: CIS now detects unsecured wireless connections and lets you use your trust connect account seamlessly
• Smart Scan: We have introduced one of the smartest quick scans in the world based on COMODO Autorun Analyzer Technology.
• Malware deletion: Some files were not able to be deleted by CIS even after reboot
• We have moved some of the settings in from More->Preferences to their releveant sections in Firewall Settings etc.
• Dragon is included with CIS setup(Optional like GB)
• CAV causes some applications e.g. Nero to load too late

• Simplified installation experience
• Seamless integration with COMODO ESM 2.0 Business Edition
• Enhanced protection mode: Defense+ is now stronger in 64 bit operating systems
• New options for popup alerts and antivirus alerts
• Look and feel
• Resource consumption and performance
• Firewall does not work properly on Bluetooth PAN adapters
• Antivirus crashes on files that reside on bad sectors
• Various race conditions exploited by malware to evade Defense+
• CMC is not show properly
• Startup folders are not configured for all users

• WEB installer now supports more reliable installation experience e.g. support for resuming broken downloads
• Program updater now uses a new updating mechanism which reduces the update size significantly
• Minor GUI fixes and corrections
• Various incompatibilities between BO defense and various applications(e.g. games, windows applications etc.)
• License manager does not work properly when system time is modified
• Various crashes related to the antivirus engine

• Installation experience on Windows 7 and later
• Realtime performance impact to the daily PC operations should belower in this version
• HIPS doesn't block some actions that can be used by malware
• HIPS doesn't block modifications to the protected files under certain conditions
• Firewall sometimes blocks safe applications such as MSN messenger, Skype
• Some installers crash when CIS is installed
• Firewall does not detect MAC Spoofing although "Protect the ARP Cache" option is selected
• Firewall causes high DPC latency under certain conditions
• Antivirus crashes while scanning specially crafted .PST files
• Antivirus crashes after or during virus database updates

• 5 skins from COMODO, including a native windows skin
• AV database updating - Virus DB size reduced significantly
• AV engine - fixed some bugs and added new detection mechanisms
• Cloud scanning is enabled by default in manual scanner now
• Installer - It now enables/disables windows firewall/defender during the installation/uninstallation
• CIS causes unnecessary DNS queries and update checks
• AV does not properly validate the revocation status of the SOME certificates
• AV scanning freezes if rootkit scanning is enabled
• FW shows too many listening connections
• AV scanning crashes on some compressed files
• CIS causes massive amount of entries in windows security audit logs
• AV does not validate the revocation status of the certificates in signed binaries
• BSOD in cmderd.sys

• Rootkit Scanner - Hidden registry keys, files and folders are detected
• 5 skins from COMODO, including a native windows skin
• AV database updating - Virus DB size reduced significantly
• AV engine - fixed some bugs and added new detection mechanisms
• Cloud scanning is enabled by default in manual scanner now
• Installer - It now enables/disables windows firewall/defender during the installation/uninstallation
• CIS causes massive amount of entries in windows security audit logs
• AV does not validate the revocation status of the certificates in signed binaries
• BSOD in cmderd.sys

• THANKS! Comodo thanks its beta testers whose feedback made this release possible
• Spyware Scanner detects and cleans malware infections in PC registry and disks
• Cloud based Antivirus detects malicious file even if virus defintions not up-to-date
• Cloud based Behavior Analysis system can detect zero-day malware INSTANTLY
• Cloud based Whitelisting of trusted publisher easily identifies a safe file and vendor
• Game Mode to suppress alerts, updates and scans from interfering with gaming
• Heuristic detection identifies real file behind requests of “interpreter” applications
• Application Control for users to restrict execution to known good applications only
• Windows Compatibility from new Sandbox default application isolation level
• Application Compatibility with easily identified safe files and trusted vendors
• User Interface with new status allows instant user action to reported events

• NEW! Sandbox button in elevated privilege alerts: Privilege elevation alerts now include a sandbox button to run installers in limited mode.
• IMPROVED! Default security policy is modified so that outbound firewall connection alerts are shown for the unknown applications.
• IMPROVED! Online Lookup: Defense+ now checks the applications online in real-time before automatically sandboxing them.
• Incompatibility problems with many applications(e.g. HD Speed, Autocad etc)
• Already submitted files can be submitted again under certain conditions
• Defense+ does not show protected registry key modification alerts for sandbox applications in Windows XP 64
• Windows System Restoration fails because of file sfi.dat
• Cfp.exe freezes while showing real-time virus detection dialog
• Antivirus crashes while scanning certain files

• Standalone installers in addition to the web based installer
• ARP spoofing protection does not protect against certain attacks
• Automatically sandboxed applications can modify existing protected files under certain conditions
• Proxy authentication in updater settings does not work
• CIS is now available in 16 languages

• Defense+ registry protection misses some keys in Classes root hive
• Cfp.exe crashes while showing realtime virus detection alerts under certain conditions
• Cfp.exe sometimes shows wrong sandboxed process notifications
• Sandboxed IE8 can not save bookmarks
• Some virtualized programs do not read/write registry keys properly
• Some sandboxed applications do not disappear in active process list
• CIS4 does not handle RDP session switching properly
• Firewall rules can not be deleted under certain conditions

What is new in COMODO Internet Security 4.0.x?
THANKS! COMODO would like to thank all of the BETA testers who voluntarily joined the beta testing program and provided the feedback about the product.

• Seamless Live Expert help Integration
  This version has a built-in Live Support for getting instant help from the experts for any type of problems.
• New User Interface Theme
  A new user interface theme has been introduced with this version.
• New Web Based Installer
  Now, there is a single setup file which downloads and installs the required products according to operating system the computer has. The product installers are created with Microsoft Windows Installer for native installation/uninstallation support.
• Integrated Sandbox
  Proactive Defense i.e. Defense+ now includes a built-in sandbox which combines file system/registry virtualization and least-privileged user account principle in order to combat with unknown malware.
• Default Deny Protection
  Defense+ now automatically sandboxes all unknown applications/executables until they are analyzed.
• Significantly fewer number of popup alerts
  Defense+, with the help of new sandboxing technologies, has a more powerful default security policy while having significantly fewer number of alerts compared to previous versions.
  Also in this version, Defense+ and Firewall, by default, do not create automatic rules for already known safe applications.
• Popup alerts layout
  The new popup alerts now include additional options which allow the users to take COMODO Time Machine snapshots or set Windows system restore points, submit suspicious files for immediate analysis.
• Antivirus Engine
  Antivirus engine is improved for better detection and cleaning. The new engine now has disinfection support for the infected files. A new command line virus scanner (cavscan.exe) has been introduced in order to address the need for scanning the computers in windows safe mode or scanning files transferred from MSN etc.

• Defense+ File Protection can be bypassed under certain scenarios
• Threatcast registration fails in some 64 bit operating systems
• AV does not update the virus database properly under certain circumstances

• NEW! AV engine was integrated

• AV engine now includes more advanced detection techniques
• Windows XP 64 registry protection has been hardened
• Defense+ does not handle object names properly (Reported by our forum member wj32)
• Defense+ does not protect against registry key ACL modifications (Reported by our forum member wj32)

• Removed some of the reasons that make AV to report false positives
• Addressed some bugs that cause intermittent crashes of the GUI and the helper service
• CIS causes high DPC latency after prolonged time of network heavy traffic

• Memory scanner now includes more advanced techniques to detect viruses in memory
• AV consumes huge memory while scanning some compressed files
• AV reports incorrect archive names under some circumstances
• AV causes freezes in 64 bit operating systems under certain circumstances
• AV crashes while scanning certain packed files
• Sometimes windows updates can not be installed while CIS is installed

• COMODO Secure DNS is introduced as a new free service
• COMODO HopSurf Toolbar - COMODO SafeSurf Toolbar has been discontinued and superseded by COMODO HopSurf Toolbar
• CIS now allows the users to change the URL for the program and virus updates
• CIS now has a better support for Windows Security Center integration in Windows Vista SP1 and later
• AV engine now supports more archives and has better detection capabilities
• Direct disk access false alerts have been reduced
• Some applications do not run when CIS is installed in Vista 64 bit
• Antivirus scans excluded folders
• Firewall does not show some connections under high load
• Firewall sometimes causes the PC to freeze in windows XP 32
• cfp.exe crashes when HIPS alerts timeout

THANKS! Comodo would like to thank the BETA testers and the translators, whose invaluable efforts made this release possible.

• Multilingual Support: CIS now supports other languages
• Stateful File Inspection for Realtime Virus Scanner
• Integrated In Memory Virus Scanner(i.e. Integrated BOClean)
• Live Expert help is provided as a 30 Day Trial
• Default popup layout changed to the basic layout in order to encourage the use of it
• Stronger Defense+ protection: New types of defenses are added e.g. Clipboard logging, Keyboard input blocking etc.
• Keyboard and Screen access alerts are improved and number of false positives are reduced
• Stronger Defense+ protection while the Windows is Booting/Shutting down
• Stronger Default Firewall policy in order to better hide from attackers(Thanks to feedback from our forum moderator Ronny)
• Configuration Management window is changed
• Submission functionality for the Quarantined items added
• Avntivirus heuristics does not detect some files properly
• Defense+ BO protection incompatible with Spy Swepper virus scanner.
• CIS does not validate digital certificates properly
• CIS blocks some application from being executed
• BSOD while CIS is being uninstalled
• CIS does not detect some types of shellcodes upon a BO attack
• CIS erroneously reports buffer overflow attacks for some applications under certain circumstances
• CIS does not scan spcially created RAR files properly (http://www.securityfocus.com/bid/34737, first reported by Thierry Zoller)
• CIS creates duplicate file name entries for some protected file access alerts
• Right click scanner reports "Antivirus Engine is not initialized"
• Threatcast registration does not work properly(This bug caused some users unable to see TC statistics)
• CIS occasionally crashes while submitting the files
• CIS firewall drivers sometimes cannot be restored by the diagnostics utility
• CIS did not scan NTFS streams during manual scanning
• Windows Logon Screen is shown when CIS is installed under certain circumstances(Windows created a password bug)