Comodo groups released COMODO Internet Security/Firewall/Antivirus 5.10.228257.2253 and the update is now available for. According to Comodo, this is a maintenance release which addresses some of the previously reported issues.
Comodo recommends all users to upgrade to the new version 5.10, as this update fixes some significant issues.For Instance blue-screen crash error (BSOD) arises when loading corrupted executable in Windows 7 (64-bit system) is fixed.


Also the upgrade improves compatibility with other security suites, specifically for Windows 7 (64-bit) system and smart scan crashing in some situations was fixed and an issue where the HIPS could leak process handles was resolved
What’s New in 5.10?
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IMPROVED! Compatibility with other security suites is improved in Windows 7 x64
FIXED! BSOD when corrupted executables are loaded in memory in Windows 7 x64
FIXED! HIPS can leak process handles with a special set of access rights
FIXED! Smart scan crashes under certain circumstances

Comodo Internet security/Antivirus users can use program updater to update your product(More->Check for Updates). However if you would prefer to download the setup and reinstall/upgrade, you can use the setups below.
Download Locations:

COMODO Internet Security Premium v 5.10:
http://download.comodo.com/cis/download/installs/1000/standalone/cispremium_installer.exe

COMODO Firewall V5.10:
http://download.comodo.com/cis/download/installs/1000/standalone/cfw_installer.exe

COMODO Antivirus V5.10
http://download.comodo.com/cis/download/installs/1000/standalone/cav_installer.exe